100642894179 has 4 divisors (see below), whose sum is σ = 134190525576. Its totient is φ = 67095262784.

The previous prime is 100642894141. The next prime is 100642894193. The reversal of 100642894179 is 971498246001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100642894179 - 2¹² = 100642890083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100642895179) 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, 16773815694 + ... + 16773815699.

It is an arithmetic number, because the mean of its divisors is an integer number (33547631394).

Almost surely, 2^100642894179 is an apocalyptic number.

100642894179 is a deficient number, since it is larger than the sum of its proper divisors (33547631397).

100642894179 is an equidigital number, since it uses as much as digits as its factorization.

100642894179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33547631396.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 100642894179 in words is "one hundred billion, six hundred forty-two million, eight hundred ninety-four thousand, one hundred seventy-nine".