32099639018921 has 4 divisors (see below), whose sum is σ = 32251770009744. Its totient is φ = 31947508028100.

The previous prime is 32099639018893. The next prime is 32099639018939. The reversal of 32099639018921 is 12981093699023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32099639018921 - 2¹⁴ = 32099639002537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32099639068921) 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 3 ways as a sum of consecutive naturals, for example, 76065495095 + ... + 76065495516.

It is an arithmetic number, because the mean of its divisors is an integer number (8062942502436).

Almost surely, 2^{32099639018921} is an apocalyptic number.

It is an amenable number.

32099639018921 is a deficient number, since it is larger than the sum of its proper divisors (152130990823).

32099639018921 is a wasteful number, since it uses less digits than its factorization.

32099639018921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152130990822.

The product of its (nonzero) digits is 11337408, while the sum is 62.

The spelling of 32099639018921 in words is "thirty-two trillion, ninety-nine billion, six hundred thirty-nine million, eighteen thousand, nine hundred twenty-one".