256514233013 has 8 divisors (see below), whose sum is σ = 260748656448. Its totient is φ = 252312257664.

The previous prime is 256514232937. The next prime is 256514233039. The reversal of 256514233013 is 310332415652.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 256514233013 - 2²⁰ = 256513184437 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 (256514133013) 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, 8096081 + ... + 8127702.

It is an arithmetic number, because the mean of its divisors is an integer number (32593582056).

Almost surely, 2^256514233013 is an apocalyptic number.

It is an amenable number.

256514233013 is a deficient number, since it is larger than the sum of its proper divisors (4234423435).

256514233013 is a wasteful number, since it uses less digits than its factorization.

256514233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224043.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 256514233013 its reverse (310332415652), we get a palindrome (566846648665).

The spelling of 256514233013 in words is "two hundred fifty-six billion, five hundred fourteen million, two hundred thirty-three thousand, thirteen".