3445027421 has 12 divisors (see below), whose sum is σ = 3917262300. Its totient is φ = 3023845440.

The previous prime is 3445027403. The next prime is 3445027429. The reversal of 3445027421 is 1247205443.

It can be written as a sum of positive squares in 2 ways, for example, as 2776236100 + 668791321 = 52690^2 + 25861^2 .

It is not a de Polignac number, because 3445027421 - 2⁶ = 3445027357 is a prime.

It is a super-2 number, since 2×3445027421² = 23736427862883822482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445027429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487376 + ... + 494393.

It is an arithmetic number, because the mean of its divisors is an integer number (326438525).

Almost surely, 2^3445027421 is an apocalyptic number.

It is an amenable number.

3445027421 is a deficient number, since it is larger than the sum of its proper divisors (472234879).

3445027421 is a wasteful number, since it uses less digits than its factorization.

3445027421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981820 (or 981809 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 3445027421 is about 58694.3559552364. The cubic root of 3445027421 is about 1510.3034960038.

The spelling of 3445027421 in words is "three billion, four hundred forty-five million, twenty-seven thousand, four hundred twenty-one".