1938150361 has 12 divisors (see below), whose sum is σ = 2352609792. Its totient is φ = 1589041608.

The previous prime is 1938150343. The next prime is 1938150367. The reversal of 1938150361 is 1630518391.

It is not a de Polignac number, because 1938150361 - 2⁵ = 1938150329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1938150361.

It is not an unprimeable number, because it can be changed into a prime (1938150367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 858745 + ... + 860998.

It is an arithmetic number, because the mean of its divisors is an integer number (196050816).

Almost surely, 2^1938150361 is an apocalyptic number.

It is an amenable number.

1938150361 is a deficient number, since it is larger than the sum of its proper divisors (414459431).

1938150361 is a wasteful number, since it uses less digits than its factorization.

1938150361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719780 (or 1719773 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1938150361 is about 44024.4291388315. The cubic root of 1938150361 is about 1246.7972110699.

The spelling of 1938150361 in words is "one billion, nine hundred thirty-eight million, one hundred fifty thousand, three hundred sixty-one".