14699793398621 has 4 divisors (see below), whose sum is σ = 14700141934044. Its totient is φ = 14699444863200.

The previous prime is 14699793398569. The next prime is 14699793398623. The reversal of 14699793398621 is 12689339799641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6130204605625 + 8569588792996 = 2475925^2 + 2927386^2 .

It is a cyclic number.

It is not a de Polignac number, because 14699793398621 - 2¹⁴ = 14699793382237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14699793398623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174204440 + ... + 174288801.

It is an arithmetic number, because the mean of its divisors is an integer number (3675035483511).

Almost surely, 2^{14699793398621} is an apocalyptic number.

It is an amenable number.

14699793398621 is a deficient number, since it is larger than the sum of its proper divisors (348535423).

14699793398621 is an equidigital number, since it uses as much as digits as its factorization.

14699793398621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348535422.

The product of its digits is 952342272, while the sum is 77.

The spelling of 14699793398621 in words is "fourteen trillion, six hundred ninety-nine billion, seven hundred ninety-three million, three hundred ninety-eight thousand, six hundred twenty-one".