256914235703 has 4 divisors (see below), whose sum is σ = 268084419888. Its totient is φ = 245744051520.

The previous prime is 256914235687. The next prime is 256914235769. The reversal of 256914235703 is 307532419652.

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

It is a cyclic number.

It is not a de Polignac number, because 256914235703 - 2⁴ = 256914235687 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 (256911235703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5585092058 + ... + 5585092103.

It is an arithmetic number, because the mean of its divisors is an integer number (67021104972).

Almost surely, 2^256914235703 is an apocalyptic number.

256914235703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

256914235703 is a deficient number, since it is larger than the sum of its proper divisors (11170184185).

256914235703 is a wasteful number, since it uses less digits than its factorization.

256914235703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11170184184.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 256914235703 in words is "two hundred fifty-six billion, nine hundred fourteen million, two hundred thirty-five thousand, seven hundred three".