26049520685889 has 24 divisors (see below), whose sum is σ = 37693607357952. Its totient is φ = 17335671780960.

The previous prime is 26049520685761. The next prime is 26049520685891. The reversal of 26049520685889 is 98858602594062.

26049520685889 is a `hidden beast` number, since 2 + 6 + 0 + 49 + 520 + 6 + 8 + 58 + 8 + 9 = 666.

It is not a de Polignac number, because 26049520685889 - 2⁷ = 26049520685761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26049520635889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10426402 + ... + 12681044.

It is an arithmetic number, because the mean of its divisors is an integer number (1570566973248).

Almost surely, 2^{26049520685889} is an apocalyptic number.

It is an amenable number.

26049520685889 is a deficient number, since it is larger than the sum of its proper divisors (11644086672063).

26049520685889 is a wasteful number, since it uses less digits than its factorization.

26049520685889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256917 (or 2256914 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 72.

The spelling of 26049520685889 in words is "twenty-six trillion, forty-nine billion, five hundred twenty million, six hundred eighty-five thousand, eight hundred eighty-nine".