1993023014399 has 16 divisors (see below), whose sum is σ = 2089297320000. Its totient is φ = 1898731860480.

The previous prime is 1993023014383. The next prime is 1993023014429. The reversal of 1993023014399 is 9934103203991.

It is a cyclic number.

It is not a de Polignac number, because 1993023014399 - 2⁴ = 1993023014383 is a prime.

It is a super-2 number, since 2×1993023014399² (a number of 25 digits) contains 22 as substring.

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 1993023014399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993023014329) 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 15 ways as a sum of consecutive naturals, for example, 546299 + ... + 2069900.

It is an arithmetic number, because the mean of its divisors is an integer number (130581082500).

Almost surely, 2^{1993023014399} is an apocalyptic number.

1993023014399 is a deficient number, since it is larger than the sum of its proper divisors (96274305601).

1993023014399 is a wasteful number, since it uses less digits than its factorization.

1993023014399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616578.

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

The spelling of 1993023014399 in words is "one trillion, nine hundred ninety-three billion, twenty-three million, fourteen thousand, three hundred ninety-nine".