63057705538 has 8 divisors (see below), whose sum is σ = 96893547660. Its totient is φ = 30759856320.

The previous prime is 63057705467. The next prime is 63057705539. The reversal of 63057705538 is 83550775036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57918679569 + 5139025969 = 240663^2 + 71687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63057705491 and 63057705500.

It is not an unprimeable number, because it can be changed into a prime (63057705539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384498123 + ... + 384498286.

Almost surely, 2^63057705538 is an apocalyptic number.

63057705538 is a deficient number, since it is larger than the sum of its proper divisors (33835842122).

63057705538 is a wasteful number, since it uses less digits than its factorization.

63057705538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768996452.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 63057705538 in words is "sixty-three billion, fifty-seven million, seven hundred five thousand, five hundred thirty-eight".