15343349953 has 2 divisors, whose sum is σ = 15343349954. Its totient is φ = 15343349952.

The previous prime is 15343349897. The next prime is 15343349971. The reversal of 15343349953 is 35994334351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11259756544 + 4083593409 = 106112^2 + 63903^2 .

It is a cyclic number.

It is not a de Polignac number, because 15343349953 - 2¹⁷ = 15343218881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15343349897 and 15343349906.

It is not a weakly prime, because it can be changed into another prime (15343344953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671674976 + 7671674977.

It is an arithmetic number, because the mean of its divisors is an integer number (7671674977).

Almost surely, 2^15343349953 is an apocalyptic number.

It is an amenable number.

15343349953 is a deficient number, since it is larger than the sum of its proper divisors (1).

15343349953 is an equidigital number, since it uses as much as digits as its factorization.

15343349953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2624400, while the sum is 49.

The spelling of 15343349953 in words is "fifteen billion, three hundred forty-three million, three hundred forty-nine thousand, nine hundred fifty-three".