25670764833 has 32 divisors (see below), whose sum is σ = 40065417216. Its totient is φ = 14314140288.

The previous prime is 25670764829. The next prime is 25670764841. The reversal of 25670764833 is 33846707652.

It is not a de Polignac number, because 25670764833 - 2² = 25670764829 is a prime.

It is a super-2 number, since 2×25670764833² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25670764883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968485 + ... + 994637.

It is an arithmetic number, because the mean of its divisors is an integer number (1252044288).

Almost surely, 2^25670764833 is an apocalyptic number.

It is an amenable number.

25670764833 is a deficient number, since it is larger than the sum of its proper divisors (14394652383).

25670764833 is a wasteful number, since it uses less digits than its factorization.

25670764833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27293.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 25670764833 in words is "twenty-five billion, six hundred seventy million, seven hundred sixty-four thousand, eight hundred thirty-three".