100415947863 has 64 divisors (see below), whose sum is σ = 171110891520. Its totient is φ = 50864371200.

The previous prime is 100415947859. The next prime is 100415947883. The reversal of 100415947863 is 368749514001.

It is not a de Polignac number, because 100415947863 - 2² = 100415947859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100415947823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2925183 + ... + 2959311.

It is an arithmetic number, because the mean of its divisors is an integer number (2673607680).

Almost surely, 2^100415947863 is an apocalyptic number.

100415947863 is a deficient number, since it is larger than the sum of its proper divisors (70694943657).

100415947863 is a wasteful number, since it uses less digits than its factorization.

100415947863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34468.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 100415947863 in words is "one hundred billion, four hundred fifteen million, nine hundred forty-seven thousand, eight hundred sixty-three".