1379192913 has 28 divisors (see below), whose sum is σ = 2363258368. Its totient is φ = 788107320.

The previous prime is 1379192873. The next prime is 1379192921. The reversal of 1379192913 is 3192919731.

1379192913 is a `hidden beast` number, since 1 + 379 + 192 + 91 + 3 = 666.

It is not a de Polignac number, because 1379192913 - 2²² = 1374998609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1379192993) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 130033 + ... + 140238.

Almost surely, 2^1379192913 is an apocalyptic number.

It is an amenable number.

1379192913 is a deficient number, since it is larger than the sum of its proper divisors (984065455).

1379192913 is an frugal number, since it uses more digits than its factorization.

1379192913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270296 (or 270281 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 1379192913 is about 37137.4866273958. The cubic root of 1379192913 is about 1113.1191959004.

The spelling of 1379192913 in words is "one billion, three hundred seventy-nine million, one hundred ninety-two thousand, nine hundred thirteen".