15452660609 has 2 divisors, whose sum is σ = 15452660610. Its totient is φ = 15452660608.

The previous prime is 15452660599. The next prime is 15452660681. The reversal of 15452660609 is 90606625451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9539819584 + 5912841025 = 97672^2 + 76895^2 .

It is an emirp because it is prime and its reverse (90606625451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15452660609 - 2¹⁶ = 15452595073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15452660609.

It is not a weakly prime, because it can be changed into another prime (15452620609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7726330304 + 7726330305.

It is an arithmetic number, because the mean of its divisors is an integer number (7726330305).

Almost surely, 2^15452660609 is an apocalyptic number.

It is an amenable number.

15452660609 is a deficient number, since it is larger than the sum of its proper divisors (1).

15452660609 is an equidigital number, since it uses as much as digits as its factorization.

15452660609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 15452660609 in words is "fifteen billion, four hundred fifty-two million, six hundred sixty thousand, six hundred nine".