34256853857 has 16 divisors (see below), whose sum is σ = 35451924480. Its totient is φ = 33082235472.

The previous prime is 34256853803. The next prime is 34256853859. The reversal of 34256853857 is 75835865243.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34256853857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34256853859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3345848 + ... + 3356070.

It is an arithmetic number, because the mean of its divisors is an integer number (2215745280).

Almost surely, 2^34256853857 is an apocalyptic number.

It is an amenable number.

34256853857 is a deficient number, since it is larger than the sum of its proper divisors (1195070623).

34256853857 is a wasteful number, since it uses less digits than its factorization.

34256853857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212.

The product of its digits is 24192000, while the sum is 56.

The spelling of 34256853857 in words is "thirty-four billion, two hundred fifty-six million, eight hundred fifty-three thousand, eight hundred fifty-seven".