369020231999 has 4 divisors (see below), whose sum is σ = 385064589936. Its totient is φ = 352975874064.

The previous prime is 369020231933. The next prime is 369020232017. The reversal of 369020231999 is 999132020963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999132020963 = 607 ⋅1646016509.

It is a cyclic number.

It is not a de Polignac number, because 369020231999 - 2⁸ = 369020231743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 369020231999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369020233999) 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, 8022178934 + ... + 8022178979.

It is an arithmetic number, because the mean of its divisors is an integer number (96266147484).

Almost surely, 2^369020231999 is an apocalyptic number.

369020231999 is a deficient number, since it is larger than the sum of its proper divisors (16044357937).

369020231999 is a wasteful number, since it uses less digits than its factorization.

369020231999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16044357936.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 369020231999 in words is "three hundred sixty-nine billion, twenty million, two hundred thirty-one thousand, nine hundred ninety-nine".