63416857402 has 16 divisors (see below), whose sum is σ = 96637646952. Its totient is φ = 31206193920.

The previous prime is 63416857397. The next prime is 63416857447. The reversal of 63416857402 is 20475861436.

It can be written as a sum of positive squares in 4 ways, for example, as 58918338361 + 4498519041 = 242731^2 + 67071^2 .

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, 403803 + ... + 538414.

Almost surely, 2^63416857402 is an apocalyptic number.

63416857402 is a deficient number, since it is larger than the sum of its proper divisors (33220789550).

63416857402 is a wasteful number, since it uses less digits than its factorization.

63416857402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942753.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 63416857402 in words is "sixty-three billion, four hundred sixteen million, eight hundred fifty-seven thousand, four hundred two".