15349240369 has 2 divisors, whose sum is σ = 15349240370. Its totient is φ = 15349240368.

The previous prime is 15349240343. The next prime is 15349240411. The reversal of 15349240369 is 96304294351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12466839025 + 2882401344 = 111655^2 + 53688^2 .

It is an emirp because it is prime and its reverse (96304294351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15349240369 - 2⁷ = 15349240241 is a prime.

It is a super-2 number, since 2×15349240369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15349240169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674620184 + 7674620185.

It is an arithmetic number, because the mean of its divisors is an integer number (7674620185).

Almost surely, 2^15349240369 is an apocalyptic number.

It is an amenable number.

15349240369 is a deficient number, since it is larger than the sum of its proper divisors (1).

15349240369 is an equidigital number, since it uses as much as digits as its factorization.

15349240369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 15349240369 in words is "fifteen billion, three hundred forty-nine million, two hundred forty thousand, three hundred sixty-nine".