3511894484 has 36 divisors (see below), whose sum is σ = 7173731124. Its totient is φ = 1499936256.

The previous prime is 3511894481. The next prime is 3511894487. The reversal of 3511894484 is 4844981153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3511894481) and next prime (3511894487).

It can be written as a sum of positive squares in 2 ways, for example, as 3416402500 + 95491984 = 58450^2 + 9772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3511894481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26852 + ... + 88004.

It is an arithmetic number, because the mean of its divisors is an integer number (199270309).

Almost surely, 2^3511894484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3511894484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3586865562).

3511894484 is an abundant number, since it is smaller than the sum of its proper divisors (3661836640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3511894484 is a wasteful number, since it uses less digits than its factorization.

3511894484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61464 (or 61455 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 3511894484 is about 59261.2393052997. The cubic root of 3511894484 is about 1520.0124773906.

The spelling of 3511894484 in words is "three billion, five hundred eleven million, eight hundred ninety-four thousand, four hundred eighty-four".