13988104643 has 2 divisors, whose sum is σ = 13988104644. Its totient is φ = 13988104642.

The previous prime is 13988104591. The next prime is 13988104699. The reversal of 13988104643 is 34640188931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13988104643 - 2¹⁸ = 13987842499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13988104943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994052321 + 6994052322.

It is an arithmetic number, because the mean of its divisors is an integer number (6994052322).

Almost surely, 2^13988104643 is an apocalyptic number.

13988104643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13988104643 is an equidigital number, since it uses as much as digits as its factorization.

13988104643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 13988104643 in words is "thirteen billion, nine hundred eighty-eight million, one hundred four thousand, six hundred forty-three".