1938319512700 has 36 divisors (see below), whose sum is σ = 4228175129472. Its totient is φ = 771268489600.

The previous prime is 1938319512697. The next prime is 1938319512749. The reversal of 1938319512700 is 72159138391.

It is a super-2 number, since 2×1938319512700² (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 11 ways as a sum of consecutive naturals, for example, 50722249 + ... + 50760448.

It is an arithmetic number, because the mean of its divisors is an integer number (117449309152).

Almost surely, 2^{1938319512700} is an apocalyptic number.

1938319512700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1938319512700 is an abundant number, since it is smaller than the sum of its proper divisors (2289855616772).

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

1938319512700 is a wasteful number, since it uses less digits than its factorization.

1938319512700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101482902 (or 101482895 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 1938319512700 in words is "one trillion, nine hundred thirty-eight billion, three hundred nineteen million, five hundred twelve thousand, seven hundred".