63458885436 has 24 divisors (see below), whose sum is σ = 148124595024. Its totient is φ = 21145267200.

The previous prime is 63458885429. The next prime is 63458885447.

63458885436 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 63458885436.

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, 927415 + ... + 993486.

It is an arithmetic number, because the mean of its divisors is an integer number (6171858126).

Almost surely, 2^63458885436 is an apocalyptic number.

It is an amenable number.

63458885436 is an abundant number, since it is smaller than the sum of its proper divisors (84665709588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63458885436 is a wasteful number, since it uses less digits than its factorization.

63458885436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923661 (or 1923659 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 60.

The spelling of 63458885436 in words is "sixty-three billion, four hundred fifty-eight million, eight hundred eighty-five thousand, four hundred thirty-six".