100642434403 has 4 divisors (see below), whose sum is σ = 115019925040. Its totient is φ = 86264943768.

The previous prime is 100642434401. The next prime is 100642434439. The reversal of 100642434403 is 304434246001.

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 100642434403 - 2¹ = 100642434401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100642434401) 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, 7188745308 + ... + 7188745321.

It is an arithmetic number, because the mean of its divisors is an integer number (28754981260).

Almost surely, 2^100642434403 is an apocalyptic number.

100642434403 is a deficient number, since it is larger than the sum of its proper divisors (14377490637).

100642434403 is an equidigital number, since it uses as much as digits as its factorization.

100642434403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377490636.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 100642434403 in words is "one hundred billion, six hundred forty-two million, four hundred thirty-four thousand, four hundred three".