16309960613 has 2 divisors, whose sum is σ = 16309960614. Its totient is φ = 16309960612.

The previous prime is 16309960609. The next prime is 16309960637. The reversal of 16309960613 is 31606990361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16245286849 + 64673764 = 127457^2 + 8042^2 .

It is a cyclic number.

It is not a de Polignac number, because 16309960613 - 2² = 16309960609 is a prime.

It is a super-2 number, since 2×16309960613² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16309960643) 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, 8154980306 + 8154980307.

It is an arithmetic number, because the mean of its divisors is an integer number (8154980307).

Almost surely, 2^16309960613 is an apocalyptic number.

It is an amenable number.

16309960613 is a deficient number, since it is larger than the sum of its proper divisors (1).

16309960613 is an equidigital number, since it uses as much as digits as its factorization.

16309960613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 16309960613 in words is "sixteen billion, three hundred nine million, nine hundred sixty thousand, six hundred thirteen".