63625126465 has 16 divisors (see below), whose sum is σ = 78062787072. Its totient is φ = 49760793664.

The previous prime is 63625126459. The next prime is 63625126561. The reversal of 63625126465 is 56462152636.

It is a cyclic number.

It is not a de Polignac number, because 63625126465 - 2³ = 63625126457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55827 + ... + 361063.

It is an arithmetic number, because the mean of its divisors is an integer number (4878924192).

Almost surely, 2^63625126465 is an apocalyptic number.

It is an amenable number.

63625126465 is a deficient number, since it is larger than the sum of its proper divisors (14437660607).

63625126465 is a wasteful number, since it uses less digits than its factorization.

63625126465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306176.

The product of its digits is 1555200, while the sum is 46.

The spelling of 63625126465 in words is "sixty-three billion, six hundred twenty-five million, one hundred twenty-six thousand, four hundred sixty-five".