34256643513 has 8 divisors (see below), whose sum is σ = 45696748128. Its totient is φ = 22827150624.

The previous prime is 34256643467. The next prime is 34256643517. The reversal of 34256643513 is 31534665243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34256643513 - 2⁸ = 34256643257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34256643517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645395 + ... + 2658312.

It is an arithmetic number, because the mean of its divisors is an integer number (5712093516).

Almost surely, 2^34256643513 is an apocalyptic number.

It is an amenable number.

34256643513 is a deficient number, since it is larger than the sum of its proper divisors (11440104615).

34256643513 is a wasteful number, since it uses less digits than its factorization.

34256643513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305863.

The product of its digits is 777600, while the sum is 42.

The spelling of 34256643513 in words is "thirty-four billion, two hundred fifty-six million, six hundred forty-three thousand, five hundred thirteen".