16397976479 has 2 divisors, whose sum is σ = 16397976480. Its totient is φ = 16397976478.

The previous prime is 16397976449. The next prime is 16397976509. The reversal of 16397976479 is 97467979361.

It is a balanced prime because it is at equal distance from previous prime (16397976449) and next prime (16397976509).

It is a cyclic number.

It is not a de Polignac number, because 16397976479 - 2²⁸ = 16129541023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16397976449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198988239 + 8198988240.

It is an arithmetic number, because the mean of its divisors is an integer number (8198988240).

Almost surely, 2^16397976479 is an apocalyptic number.

16397976479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16397976479 is an equidigital number, since it uses as much as digits as its factorization.

16397976479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108020304, while the sum is 68.

The spelling of 16397976479 in words is "sixteen billion, three hundred ninety-seven million, nine hundred seventy-six thousand, four hundred seventy-nine".