16113981413 has 2 divisors, whose sum is σ = 16113981414. Its totient is φ = 16113981412.

The previous prime is 16113981371. The next prime is 16113981427. The reversal of 16113981413 is 31418931161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12912458689 + 3201522724 = 113633^2 + 56582^2 .

It is a cyclic number.

It is not a de Polignac number, because 16113981413 - 2¹⁸ = 16113719269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16113981113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056990706 + 8056990707.

It is an arithmetic number, because the mean of its divisors is an integer number (8056990707).

Almost surely, 2^16113981413 is an apocalyptic number.

It is an amenable number.

16113981413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16113981413 is an equidigital number, since it uses as much as digits as its factorization.

16113981413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The spelling of 16113981413 in words is "sixteen billion, one hundred thirteen million, nine hundred eighty-one thousand, four hundred thirteen".