63542564525422 has 16 divisors (see below), whose sum is σ = 100331491706640. Its totient is φ = 30098771512128.

The previous prime is 63542564525383. The next prime is 63542564525501. The reversal of 63542564525422 is 22452546524536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944023 + ... + 12744274.

It is an arithmetic number, because the mean of its divisors is an integer number (6270718231665).

Almost surely, 2^{63542564525422} is an apocalyptic number.

63542564525422 is a deficient number, since it is larger than the sum of its proper divisors (36788927181218).

63542564525422 is a wasteful number, since it uses less digits than its factorization.

63542564525422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18777795.

The product of its digits is 69120000, while the sum is 55.

The spelling of 63542564525422 in words is "sixty-three trillion, five hundred forty-two billion, five hundred sixty-four million, five hundred twenty-five thousand, four hundred twenty-two".