99421464426 has 32 divisors (see below), whose sum is σ = 210814195200. Its totient is φ = 31170374640.

The previous prime is 99421464409. The next prime is 99421464503. The reversal of 99421464426 is 62446412499.

It is a super-2 number, since 2×99421464426² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3121270 + ... + 3152961.

It is an arithmetic number, because the mean of its divisors is an integer number (6587943600).

Almost surely, 2^99421464426 is an apocalyptic number.

99421464426 is an abundant number, since it is smaller than the sum of its proper divisors (111392730774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99421464426 is a wasteful number, since it uses less digits than its factorization.

99421464426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274394.

The product of its digits is 2985984, while the sum is 51.

The spelling of 99421464426 in words is "ninety-nine billion, four hundred twenty-one million, four hundred sixty-four thousand, four hundred twenty-six".