13659400373 has 2 divisors, whose sum is σ = 13659400374. Its totient is φ = 13659400372.

The previous prime is 13659400361. The next prime is 13659400429. The reversal of 13659400373 is 37300495631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9467873809 + 4191526564 = 97303^2 + 64742^2 .

It is a cyclic number.

It is not a de Polignac number, because 13659400373 - 2⁴ = 13659400357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13659400373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13659400303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6829700186 + 6829700187.

It is an arithmetic number, because the mean of its divisors is an integer number (6829700187).

Almost surely, 2^13659400373 is an apocalyptic number.

It is an amenable number.

13659400373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13659400373 is an equidigital number, since it uses as much as digits as its factorization.

13659400373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 13659400373 in words is "thirteen billion, six hundred fifty-nine million, four hundred thousand, three hundred seventy-three".