64266262525 has 12 divisors (see below), whose sum is σ = 79900441600. Its totient is φ = 51277348080.

The previous prime is 64266262513. The next prime is 64266262673. The reversal of 64266262525 is 52526266246.

It is a happy number.

It is not a de Polignac number, because 64266262525 - 2⁹ = 64266262013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3381885 + ... + 3400834.

Almost surely, 2^64266262525 is an apocalyptic number.

It is an amenable number.

64266262525 is a deficient number, since it is larger than the sum of its proper divisors (15634179075).

64266262525 is a wasteful number, since it uses less digits than its factorization.

64266262525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783108 (or 6783103 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The spelling of 64266262525 in words is "sixty-four billion, two hundred sixty-six million, two hundred sixty-two thousand, five hundred twenty-five".