1979418179 has 2 divisors, whose sum is σ = 1979418180. Its totient is φ = 1979418178.

The previous prime is 1979418143. The next prime is 1979418187. The reversal of 1979418179 is 9718149791.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1979418179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1979418139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989709089 + 989709090.

It is an arithmetic number, because the mean of its divisors is an integer number (989709090).

Almost surely, 2^1979418179 is an apocalyptic number.

1979418179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979418179 is an equidigital number, since it uses as much as digits as its factorization.

1979418179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 56.

The square root of 1979418179 is about 44490.6527149243. The cubic root of 1979418179 is about 1255.5842274936.

It can be divided in two parts, 19794 and 18179, that added together give a palindrome (37973).

The spelling of 1979418179 in words is "one billion, nine hundred seventy-nine million, four hundred eighteen thousand, one hundred seventy-nine".