13860689929 has 2 divisors, whose sum is σ = 13860689930. Its totient is φ = 13860689928.

The previous prime is 13860689911. The next prime is 13860689933. The reversal of 13860689929 is 92998606831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8897205625 + 4963484304 = 94325^2 + 70452^2 .

It is a cyclic number.

It is not a de Polignac number, because 13860689929 - 2³³ = 5270755337 is a prime.

It is not a weakly prime, because it can be changed into another prime (13860689989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930344964 + 6930344965.

It is an arithmetic number, because the mean of its divisors is an integer number (6930344965).

Almost surely, 2^13860689929 is an apocalyptic number.

It is an amenable number.

13860689929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13860689929 is an equidigital number, since it uses as much as digits as its factorization.

13860689929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 13860689929 in words is "thirteen billion, eight hundred sixty million, six hundred eighty-nine thousand, nine hundred twenty-nine".