100621679469 has 24 divisors (see below), whose sum is σ = 137241849888. Its totient is φ = 65558226240.

The previous prime is 100621679447. The next prime is 100621679497. The reversal of 100621679469 is 964976126001.

It is not a de Polignac number, because 100621679469 - 2¹³ = 100621671277 is a prime.

It is a super-2 number, since 2×100621679469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100621679369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4499614 + ... + 4521920.

It is an arithmetic number, because the mean of its divisors is an integer number (5718410412).

Almost surely, 2^100621679469 is an apocalyptic number.

It is an amenable number.

100621679469 is a deficient number, since it is larger than the sum of its proper divisors (36620170419).

100621679469 is an equidigital number, since it uses as much as digits as its factorization.

100621679469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22685 (or 22528 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 100621679469 in words is "one hundred billion, six hundred twenty-one million, six hundred seventy-nine thousand, four hundred sixty-nine".