1379009679 has 8 divisors (see below), whose sum is σ = 1843889712. Its totient is φ = 916734720.

The previous prime is 1379009627. The next prime is 1379009693. The reversal of 1379009679 is 9769009731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1379009679 - 2²¹ = 1376912527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379002679) 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, 650032 + ... + 652149.

It is an arithmetic number, because the mean of its divisors is an integer number (230486214).

Almost surely, 2^1379009679 is an apocalyptic number.

1379009679 is a deficient number, since it is larger than the sum of its proper divisors (464880033).

1379009679 is a wasteful number, since it uses less digits than its factorization.

1379009679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302537.

The product of its (nonzero) digits is 642978, while the sum is 51.

The square root of 1379009679 is about 37135.0195772131. The cubic root of 1379009679 is about 1113.0698988770.

The spelling of 1379009679 in words is "one billion, three hundred seventy-nine million, nine thousand, six hundred seventy-nine".