26402525097 has 32 divisors (see below), whose sum is σ = 38364423552. Its totient is φ = 16054308864.

The previous prime is 26402525089. The next prime is 26402525099. The reversal of 26402525097 is 79052520462.

It is not a de Polignac number, because 26402525097 - 2³ = 26402525089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26402525099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1648713 + ... + 1664649.

It is an arithmetic number, because the mean of its divisors is an integer number (1198888236).

Almost surely, 2^26402525097 is an apocalyptic number.

It is an amenable number.

26402525097 is a deficient number, since it is larger than the sum of its proper divisors (11961898455).

26402525097 is a wasteful number, since it uses less digits than its factorization.

26402525097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 26402525097 in words is "twenty-six billion, four hundred two million, five hundred twenty-five thousand, ninety-seven".