14393697661501 has 2 divisors, whose sum is σ = 14393697661502. Its totient is φ = 14393697661500.

The previous prime is 14393697661439. The next prime is 14393697661507. The reversal of 14393697661501 is 10516679639341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7250767925625 + 7142929735876 = 2692725^2 + 2672626^2 .

It is a cyclic number.

It is not a de Polignac number, because 14393697661501 - 2⁷ = 14393697661373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14393697661501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14393697661507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7196848830750 + 7196848830751.

It is an arithmetic number, because the mean of its divisors is an integer number (7196848830751).

Almost surely, 2^{14393697661501} is an apocalyptic number.

It is an amenable number.

14393697661501 is a deficient number, since it is larger than the sum of its proper divisors (1).

14393697661501 is an equidigital number, since it uses as much as digits as its factorization.

14393697661501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 14393697661501 in words is "fourteen trillion, three hundred ninety-three billion, six hundred ninety-seven million, six hundred sixty-one thousand, five hundred one".