15253253473 has 2 divisors, whose sum is σ = 15253253474. Its totient is φ = 15253253472.

The previous prime is 15253253461. The next prime is 15253253479. The reversal of 15253253473 is 37435235251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7644529489 + 7608723984 = 87433^2 + 87228^2 .

It is an emirp because it is prime and its reverse (37435235251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15253253473 - 2²¹ = 15251156321 is a prime.

It is not a weakly prime, because it can be changed into another prime (15253253479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626626736 + 7626626737.

It is an arithmetic number, because the mean of its divisors is an integer number (7626626737).

Almost surely, 2^15253253473 is an apocalyptic number.

It is an amenable number.

15253253473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253253473 is an equidigital number, since it uses as much as digits as its factorization.

15253253473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 40.

The spelling of 15253253473 in words is "fifteen billion, two hundred fifty-three million, two hundred fifty-three thousand, four hundred seventy-three".