1383759979 has 16 divisors (see below), whose sum is σ = 1590750720. Its totient is φ = 1179120960.

The previous prime is 1383759961. The next prime is 1383759983. The reversal of 1383759979 is 9799573831.

It is a cyclic number.

It is not a de Polignac number, because 1383759979 - 2⁷ = 1383759851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383759959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225087 + ... + 1226215.

It is an arithmetic number, because the mean of its divisors is an integer number (99421920).

Almost surely, 2^1383759979 is an apocalyptic number.

1383759979 is a deficient number, since it is larger than the sum of its proper divisors (206990741).

1383759979 is a wasteful number, since it uses less digits than its factorization.

1383759979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010.

The product of its digits is 12859560, while the sum is 61.

The square root of 1383759979 is about 37198.9244333758. The cubic root of 1383759979 is about 1114.3465049307.

The spelling of 1383759979 in words is "one billion, three hundred eighty-three million, seven hundred fifty-nine thousand, nine hundred seventy-nine".