63868010258 has 8 divisors (see below), whose sum is σ = 103171401228. Its totient is φ = 29477543184.

The previous prime is 63868010251. The next prime is 63868010273. The reversal of 63868010258 is 85201086836.

It can be written as a sum of positive squares in 2 ways, for example, as 53354994169 + 10513016089 = 230987^2 + 102533^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63868010251) 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, 1228230941 + ... + 1228230992.

Almost surely, 2^63868010258 is an apocalyptic number.

63868010258 is a deficient number, since it is larger than the sum of its proper divisors (39303390970).

63868010258 is a wasteful number, since it uses less digits than its factorization.

63868010258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456461948.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 63868010258 in words is "sixty-three billion, eight hundred sixty-eight million, ten thousand, two hundred fifty-eight".