3420155759 has 4 divisors (see below), whose sum is σ = 3436365240. Its totient is φ = 3403946280.

The previous prime is 3420155749. The next prime is 3420155779. The reversal of 3420155759 is 9575510243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420155759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420155749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8104424 + ... + 8104845.

It is an arithmetic number, because the mean of its divisors is an integer number (859091310).

Almost surely, 2^3420155759 is an apocalyptic number.

3420155759 is a deficient number, since it is larger than the sum of its proper divisors (16209481).

3420155759 is a wasteful number, since it uses less digits than its factorization.

3420155759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16209480.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 3420155759 is about 58482.0977650426. The cubic root of 3420155759 is about 1506.6601267816.

The spelling of 3420155759 in words is "three billion, four hundred twenty million, one hundred fifty-five thousand, seven hundred fifty-nine".