13880436901 has 2 divisors, whose sum is σ = 13880436902. Its totient is φ = 13880436900.

The previous prime is 13880436859. The next prime is 13880436919. The reversal of 13880436901 is 10963408831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8587728900 + 5292708001 = 92670^2 + 72751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13880436901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13880436931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940218450 + 6940218451.

It is an arithmetic number, because the mean of its divisors is an integer number (6940218451).

Almost surely, 2^13880436901 is an apocalyptic number.

It is an amenable number.

13880436901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13880436901 is an equidigital number, since it uses as much as digits as its factorization.

13880436901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 13880436901 in words is "thirteen billion, eight hundred eighty million, four hundred thirty-six thousand, nine hundred one".