13818498901 has 2 divisors, whose sum is σ = 13818498902. Its totient is φ = 13818498900.

The previous prime is 13818498887. The next prime is 13818498929. The reversal of 13818498901 is 10989481831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7317947025 + 6500551876 = 85545^2 + 80626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13818498901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13818492901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909249450 + 6909249451.

It is an arithmetic number, because the mean of its divisors is an integer number (6909249451).

Almost surely, 2^13818498901 is an apocalyptic number.

It is an amenable number.

13818498901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818498901 is an equidigital number, since it uses as much as digits as its factorization.

13818498901 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 52.

The spelling of 13818498901 in words is "thirteen billion, eight hundred eighteen million, four hundred ninety-eight thousand, nine hundred one".