2566925900259 has 16 divisors (see below), whose sum is σ = 3916673273088. Its totient is φ = 1464877122912.

The previous prime is 2566925900239. The next prime is 2566925900263. The reversal of 2566925900259 is 9520095296652.

It is not a de Polignac number, because 2566925900259 - 2²⁰ = 2566924851683 is a prime.

It is a super-4 number, since 4×2566925900259⁴ (a number of 51 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2566925900219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80720277 + ... + 80752070.

It is an arithmetic number, because the mean of its divisors is an integer number (244792079568).

Almost surely, 2^{2566925900259} is an apocalyptic number.

2566925900259 is a deficient number, since it is larger than the sum of its proper divisors (1349747372829).

2566925900259 is a wasteful number, since it uses less digits than its factorization.

2566925900259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161473114.

The product of its (nonzero) digits is 26244000, while the sum is 60.

The spelling of 2566925900259 in words is "two trillion, five hundred sixty-six billion, nine hundred twenty-five million, nine hundred thousand, two hundred fifty-nine".