26009663925 has 96 divisors (see below), whose sum is σ = 49782528000. Its totient is φ = 11736864000.

The previous prime is 26009663923. The next prime is 26009663929. The reversal of 26009663925 is 52936690062.

It is not a de Polignac number, because 26009663925 - 2¹ = 26009663923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26009663923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26458984 + ... + 26459966.

It is an arithmetic number, because the mean of its divisors is an integer number (518568000).

Almost surely, 2^26009663925 is an apocalyptic number.

26009663925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26009663925 is a deficient number, since it is larger than the sum of its proper divisors (23772864075).

26009663925 is a wasteful number, since it uses less digits than its factorization.

26009663925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 26009663925 in words is "twenty-six billion, nine million, six hundred sixty-three thousand, nine hundred twenty-five".