1938112315707 has 16 divisors (see below), whose sum is σ = 2720192936960. Its totient is φ = 1224055050912.

The previous prime is 1938112315691. The next prime is 1938112315739. The reversal of 1938112315707 is 7075132118391.

It is not a de Polignac number, because 1938112315707 - 2⁴ = 1938112315691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1938112315207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499873 + ... + 5841645.

It is an arithmetic number, because the mean of its divisors is an integer number (170012058560).

Almost surely, 2^{1938112315707} is an apocalyptic number.

1938112315707 is a deficient number, since it is larger than the sum of its proper divisors (782080621253).

1938112315707 is a wasteful number, since it uses less digits than its factorization.

1938112315707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441282.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 1938112315707 in words is "one trillion, nine hundred thirty-eight billion, one hundred twelve million, three hundred fifteen thousand, seven hundred seven".