13999599941 has 2 divisors, whose sum is σ = 13999599942. Its totient is φ = 13999599940.

The previous prime is 13999599917. The next prime is 13999599949. The reversal of 13999599941 is 14999599931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13965330625 + 34269316 = 118175^2 + 5854^2 .

It is a cyclic number.

It is not a de Polignac number, because 13999599941 - 2²⁶ = 13932491077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13999599949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999799970 + 6999799971.

It is an arithmetic number, because the mean of its divisors is an integer number (6999799971).

Almost surely, 2^13999599941 is an apocalyptic number.

It is an amenable number.

13999599941 is a deficient number, since it is larger than the sum of its proper divisors (1).

13999599941 is an equidigital number, since it uses as much as digits as its factorization.

13999599941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31886460, while the sum is 68.

The spelling of 13999599941 in words is "thirteen billion, nine hundred ninety-nine million, five hundred ninety-nine thousand, nine hundred forty-one".