15349039019 has 2 divisors, whose sum is σ = 15349039020. Its totient is φ = 15349039018.

The previous prime is 15349038979. The next prime is 15349039031. The reversal of 15349039019 is 91093094351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15349039019 - 2¹² = 15349034923 is a prime.

It is a super-2 number, since 2×15349039019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (15349039319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7674519509 + 7674519510.

It is an arithmetic number, because the mean of its divisors is an integer number (7674519510).

Almost surely, 2^15349039019 is an apocalyptic number.

15349039019 is a deficient number, since it is larger than the sum of its proper divisors (1).

15349039019 is an equidigital number, since it uses as much as digits as its factorization.

15349039019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 15349039019 in words is "fifteen billion, three hundred forty-nine million, thirty-nine thousand, nineteen".