13988604841 has 2 divisors, whose sum is σ = 13988604842. Its totient is φ = 13988604840.

The previous prime is 13988604829. The next prime is 13988604881. The reversal of 13988604841 is 14840688931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13930844841 + 57760000 = 118029^2 + 7600^2 .

It is a cyclic number.

It is not a de Polignac number, because 13988604841 - 2⁵ = 13988604809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13988604811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6994302420 + 6994302421.

It is an arithmetic number, because the mean of its divisors is an integer number (6994302421).

Almost surely, 2^13988604841 is an apocalyptic number.

It is an amenable number.

13988604841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13988604841 is an equidigital number, since it uses as much as digits as its factorization.

13988604841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 13988604841 in words is "thirteen billion, nine hundred eighty-eight million, six hundred four thousand, eight hundred forty-one".