14615106421 has 2 divisors, whose sum is σ = 14615106422. Its totient is φ = 14615106420.

The previous prime is 14615106419. The next prime is 14615106479. The reversal of 14615106421 is 12460151641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14045568196 + 569538225 = 118514^2 + 23865^2 .

It is a cyclic number.

It is not a de Polignac number, because 14615106421 - 2¹ = 14615106419 is a prime.

Together with 14615106419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14615106221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7307553210 + 7307553211.

It is an arithmetic number, because the mean of its divisors is an integer number (7307553211).

Almost surely, 2^14615106421 is an apocalyptic number.

It is an amenable number.

14615106421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14615106421 is an equidigital number, since it uses as much as digits as its factorization.

14615106421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 14615106421 in words is "fourteen billion, six hundred fifteen million, one hundred six thousand, four hundred twenty-one".