1379396663 has 8 divisors (see below), whose sum is σ = 1390221840. Its totient is φ = 1368584640.

The previous prime is 1379396647. The next prime is 1379396701. The reversal of 1379396663 is 3666939731.

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 1379396663 - 2⁴ = 1379396647 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 (1379396633) 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, 353483 + ... + 357363.

It is an arithmetic number, because the mean of its divisors is an integer number (173777730).

Almost surely, 2^1379396663 is an apocalyptic number.

1379396663 is a deficient number, since it is larger than the sum of its proper divisors (10825177).

1379396663 is a wasteful number, since it uses less digits than its factorization.

1379396663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577.

The product of its digits is 3306744, while the sum is 53.

The square root of 1379396663 is about 37140.2297111905. The cubic root of 1379396663 is about 1113.1740073935.

The spelling of 1379396663 in words is "one billion, three hundred seventy-nine million, three hundred ninety-six thousand, six hundred sixty-three".