256734207727033 has 8 divisors (see below), whose sum is σ = 262197158977152. Its totient is φ = 251271278197776.

The previous prime is 256734207727021. The next prime is 256734207727099. The reversal of 256734207727033 is 330727702437652.

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 256734207727033 - 2¹⁷ = 256734207595961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256734207727013) 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, 19683391 + ... + 30015067.

It is an arithmetic number, because the mean of its divisors is an integer number (32774644872144).

Almost surely, 2^{256734207727033} is an apocalyptic number.

It is an amenable number.

256734207727033 is a deficient number, since it is larger than the sum of its proper divisors (5462951250119).

256734207727033 is a wasteful number, since it uses less digits than its factorization.

256734207727033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860431.

The product of its (nonzero) digits is 62233920, while the sum is 58.

The spelling of 256734207727033 in words is "two hundred fifty-six trillion, seven hundred thirty-four billion, two hundred seven million, seven hundred twenty-seven thousand, thirty-three".