1379099311 has 8 divisors (see below), whose sum is σ = 1412977104. Its totient is φ = 1345303680.

The previous prime is 1379099269. The next prime is 1379099357. The reversal of 1379099311 is 1139909731.

It is a happy number.

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 1379099311 - 2²³ = 1370710703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379099011) 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, 14151 + ... + 54391.

It is an arithmetic number, because the mean of its divisors is an integer number (176622138).

Almost surely, 2^1379099311 is an apocalyptic number.

1379099311 is a deficient number, since it is larger than the sum of its proper divisors (33877793).

1379099311 is an equidigital number, since it uses as much as digits as its factorization.

1379099311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41081.

The product of its (nonzero) digits is 45927, while the sum is 43.

The square root of 1379099311 is about 37136.2263968756. The cubic root of 1379099311 is about 1113.0940138926.

The spelling of 1379099311 in words is "one billion, three hundred seventy-nine million, ninety-nine thousand, three hundred eleven".