1939373739392 has 32 divisors (see below), whose sum is σ = 3901849574400. Its totient is φ = 960086003200.

The previous prime is 1939373739379. The next prime is 1939373739403. The reversal of 1939373739392 is 2939373739391.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1939373739392² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74993792 + ... + 75019647.

It is an arithmetic number, because the mean of its divisors is an integer number (121932799200).

Almost surely, 2^{1939373739392} is an apocalyptic number.

It is an amenable number.

1939373739392 is an abundant number, since it is smaller than the sum of its proper divisors (1962475835008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1939373739392 is a wasteful number, since it uses less digits than its factorization.

1939373739392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150013554 (or 150013542 counting only the distinct ones).

The product of its digits is 156243654, while the sum is 68.

Subtracting 1939373739392 from its reverse (2939373739391), we obtain a palindrome (999999999999).

The spelling of 1939373739392 in words is "one trillion, nine hundred thirty-nine billion, three hundred seventy-three million, seven hundred thirty-nine thousand, three hundred ninety-two".