1993382374511 has 16 divisors (see below), whose sum is σ = 2271425794560. Its totient is φ = 1732690132320.

The previous prime is 1993382374499. The next prime is 1993382374517. The reversal of 1993382374511 is 1154732833991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1993382374511 is a prime.

It is a super-2 number, since 2×1993382374511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993382374517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30301355 + ... + 30367068.

It is an arithmetic number, because the mean of its divisors is an integer number (141964112160).

Almost surely, 2^{1993382374511} is an apocalyptic number.

1993382374511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1993382374511 is a deficient number, since it is larger than the sum of its proper divisors (278043420049).

1993382374511 is a wasteful number, since it uses less digits than its factorization.

1993382374511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60668566.

The product of its digits is 4898880, while the sum is 56.

The spelling of 1993382374511 in words is "one trillion, nine hundred ninety-three billion, three hundred eighty-two million, three hundred seventy-four thousand, five hundred eleven".