15124243349 has 2 divisors, whose sum is σ = 15124243350. Its totient is φ = 15124243348.

The previous prime is 15124243339. The next prime is 15124243429. The reversal of 15124243349 is 94334242151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14604722500 + 519520849 = 120850^2 + 22793^2 .

It is a cyclic number.

It is not a de Polignac number, because 15124243349 - 2¹² = 15124239253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15124243319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562121674 + 7562121675.

It is an arithmetic number, because the mean of its divisors is an integer number (7562121675).

Almost surely, 2^15124243349 is an apocalyptic number.

It is an amenable number.

15124243349 is a deficient number, since it is larger than the sum of its proper divisors (1).

15124243349 is an equidigital number, since it uses as much as digits as its factorization.

15124243349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The spelling of 15124243349 in words is "fifteen billion, one hundred twenty-four million, two hundred forty-three thousand, three hundred forty-nine".