1379334818 has 4 divisors (see below), whose sum is σ = 2069002230. Its totient is φ = 689667408.

The previous prime is 1379334809. The next prime is 1379334823. The reversal of 1379334818 is 8184339731.

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

It can be written as a sum of positive squares in only one way, i.e., 1279993729 + 99341089 = 35777^2 + 9967^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344833703 + ... + 344833706.

Almost surely, 2^1379334818 is an apocalyptic number.

1379334818 is a deficient number, since it is larger than the sum of its proper divisors (689667412).

1379334818 is an equidigital number, since it uses as much as digits as its factorization.

1379334818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689667411.

The product of its digits is 435456, while the sum is 47.

The square root of 1379334818 is about 37139.3971141159. The cubic root of 1379334818 is about 1113.1573708264.

The spelling of 1379334818 in words is "one billion, three hundred seventy-nine million, three hundred thirty-four thousand, eight hundred eighteen".