16379449979 has 2 divisors, whose sum is σ = 16379449980. Its totient is φ = 16379449978.

The previous prime is 16379449967. The next prime is 16379449981. The reversal of 16379449979 is 97994497361.

16379449979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16379449979 - 2²⁸ = 16111014523 is a prime.

It is a super-2 number, since 2×16379449979² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 16379449981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16379448979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8189724989 + 8189724990.

It is an arithmetic number, because the mean of its divisors is an integer number (8189724990).

Almost surely, 2^16379449979 is an apocalyptic number.

16379449979 is a deficient number, since it is larger than the sum of its proper divisors (1).

16379449979 is an equidigital number, since it uses as much as digits as its factorization.

16379449979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92588832, while the sum is 68.

The spelling of 16379449979 in words is "sixteen billion, three hundred seventy-nine million, four hundred forty-nine thousand, nine hundred seventy-nine".