369990979 has 2 divisors, whose sum is σ = 369990980. Its totient is φ = 369990978.

The previous prime is 369990917. The next prime is 369990991. The reversal of 369990979 is 979099963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 369990979 - 2⁷ = 369990851 is a prime.

It is not a weakly prime, because it can be changed into another prime (369990079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184995489 + 184995490.

It is an arithmetic number, because the mean of its divisors is an integer number (184995490).

Almost surely, 2^369990979 is an apocalyptic number.

369990979 is a deficient number, since it is larger than the sum of its proper divisors (1).

369990979 is an equidigital number, since it uses as much as digits as its factorization.

369990979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7440174, while the sum is 61.

The square root of 369990979 is about 19235.1495705128. The cubic root of 369990979 is about 717.8996007225.

The spelling of 369990979 in words is "three hundred sixty-nine million, nine hundred ninety thousand, nine hundred seventy-nine".