63442087863254 has 4 divisors (see below), whose sum is σ = 95163131794884. Its totient is φ = 31721043931626.

The previous prime is 63442087863233. The next prime is 63442087863263. The reversal of 63442087863254 is 45236878024436.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15860521965812 + ... + 15860521965815.

It is an arithmetic number, because the mean of its divisors is an integer number (23790782948721).

Almost surely, 2^{63442087863254} is an apocalyptic number.

63442087863254 is a deficient number, since it is larger than the sum of its proper divisors (31721043931630).

63442087863254 is a wasteful number, since it uses less digits than its factorization.

63442087863254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31721043931629.

The product of its (nonzero) digits is 185794560, while the sum is 62.

The spelling of 63442087863254 in words is "sixty-three trillion, four hundred forty-two billion, eighty-seven million, eight hundred sixty-three thousand, two hundred fifty-four".