14915217253 has 2 divisors, whose sum is σ = 14915217254. Its totient is φ = 14915217252.

The previous prime is 14915217173. The next prime is 14915217277. The reversal of 14915217253 is 35271251941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11003590404 + 3911626849 = 104898^2 + 62543^2 .

It is an emirp because it is prime and its reverse (35271251941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14915217253 - 2¹⁷ = 14915086181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14915217283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7457608626 + 7457608627.

It is an arithmetic number, because the mean of its divisors is an integer number (7457608627).

Almost surely, 2^14915217253 is an apocalyptic number.

It is an amenable number.

14915217253 is a deficient number, since it is larger than the sum of its proper divisors (1).

14915217253 is an equidigital number, since it uses as much as digits as its factorization.

14915217253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The spelling of 14915217253 in words is "fourteen billion, nine hundred fifteen million, two hundred seventeen thousand, two hundred fifty-three".