15013433209 has 2 divisors, whose sum is σ = 15013433210. Its totient is φ = 15013433208.

The previous prime is 15013433189. The next prime is 15013433213. The reversal of 15013433209 is 90233431051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14688712809 + 324720400 = 121197^2 + 18020^2 .

It is a cyclic number.

It is not a de Polignac number, because 15013433209 - 2⁹ = 15013432697 is a prime.

It is a super-2 number, since 2×15013433209² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15013433249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506716604 + 7506716605.

It is an arithmetic number, because the mean of its divisors is an integer number (7506716605).

Almost surely, 2^15013433209 is an apocalyptic number.

It is an amenable number.

15013433209 is a deficient number, since it is larger than the sum of its proper divisors (1).

15013433209 is an equidigital number, since it uses as much as digits as its factorization.

15013433209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 15013433209 in words is "fifteen billion, thirteen million, four hundred thirty-three thousand, two hundred nine".