1938923375 has 8 divisors (see below), whose sum is σ = 2419776528. Its totient is φ = 1551138600.

The previous prime is 1938923359. The next prime is 1938923377. The reversal of 1938923375 is 5733298391.

It is not a de Polignac number, because 1938923375 - 2⁴ = 1938923359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1938923377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7755569 + ... + 7755818.

It is an arithmetic number, because the mean of its divisors is an integer number (302472066).

Almost surely, 2^1938923375 is an apocalyptic number.

1938923375 is a deficient number, since it is larger than the sum of its proper divisors (480853153).

1938923375 is an equidigital number, since it uses as much as digits as its factorization.

1938923375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511402 (or 15511392 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 1938923375 is about 44033.2076392352. The cubic root of 1938923375 is about 1246.9629470234.

The spelling of 1938923375 in words is "one billion, nine hundred thirty-eight million, nine hundred twenty-three thousand, three hundred seventy-five".