99421033607 has 4 divisors (see below), whose sum is σ = 113624038416. Its totient is φ = 85218028800.

The previous prime is 99421033603. The next prime is 99421033661. The reversal of 99421033607 is 70633012499.

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 99421033607 - 2² = 99421033603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99421033603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7101502394 + ... + 7101502407.

It is an arithmetic number, because the mean of its divisors is an integer number (28406009604).

Almost surely, 2^99421033607 is an apocalyptic number.

99421033607 is a deficient number, since it is larger than the sum of its proper divisors (14203004809).

99421033607 is a wasteful number, since it uses less digits than its factorization.

99421033607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203004808.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 99421033607 in words is "ninety-nine billion, four hundred twenty-one million, thirty-three thousand, six hundred seven".