9379131493 has 4 divisors (see below), whose sum is σ = 9385006060. Its totient is φ = 9373256928.

The previous prime is 9379131473. The next prime is 9379131497. The reversal of 9379131493 is 3941319739.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5940247329 + 3438884164 = 77073^2 + 58642^2 .

It is a cyclic number.

It is not a de Polignac number, because 9379131493 - 2²¹ = 9377034341 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 (9379131497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934888 + ... + 2938081.

It is an arithmetic number, because the mean of its divisors is an integer number (2346251515).

Almost surely, 2^9379131493 is an apocalyptic number.

It is an amenable number.

9379131493 is a deficient number, since it is larger than the sum of its proper divisors (5874567).

9379131493 is a wasteful number, since it uses less digits than its factorization.

9379131493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874566.

The product of its digits is 551124, while the sum is 49.

The square root of 9379131493 is about 96845.9162432779. The cubic root of 9379131493 is about 2108.8913632005.

The spelling of 9379131493 in words is "nine billion, three hundred seventy-nine million, one hundred thirty-one thousand, four hundred ninety-three".