1938314361 has 8 divisors (see below), whose sum is σ = 2587665024. Its totient is φ = 1290586640.

The previous prime is 1938314353. The next prime is 1938314377. The reversal of 1938314361 is 1634138391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1938314361 - 2³ = 1938314353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1938314321) 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, 402945 + ... + 407726.

It is an arithmetic number, because the mean of its divisors is an integer number (323458128).

Almost surely, 2^1938314361 is an apocalyptic number.

It is an amenable number.

1938314361 is a deficient number, since it is larger than the sum of its proper divisors (649350663).

1938314361 is an equidigital number, since it uses as much as digits as its factorization.

1938314361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811471.

The product of its digits is 46656, while the sum is 39.

The square root of 1938314361 is about 44026.2917016639. The cubic root of 1938314361 is about 1246.8323767240.

The spelling of 1938314361 in words is "one billion, nine hundred thirty-eight million, three hundred fourteen thousand, three hundred sixty-one".