63800010538 has 16 divisors (see below), whose sum is σ = 106946360640. Its totient is φ = 28292687200.

The previous prime is 63800010517. The next prime is 63800010541. The reversal of 63800010538 is 83501000836.

It is a happy number.

It is a super-2 number, since 2×63800010538² (a number of 22 digits) contains 22 as substring.

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, 35364958 + ... + 35366761.

It is an arithmetic number, because the mean of its divisors is an integer number (6684147540).

Almost surely, 2^63800010538 is an apocalyptic number.

63800010538 is a deficient number, since it is larger than the sum of its proper divisors (43146350102).

63800010538 is a wasteful number, since it uses less digits than its factorization.

63800010538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70731773.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 63800010538 in words is "sixty-three billion, eight hundred million, ten thousand, five hundred thirty-eight".