15530327233 has 2 divisors, whose sum is σ = 15530327234. Its totient is φ = 15530327232.

The previous prime is 15530327231. The next prime is 15530327249. The reversal of 15530327233 is 33272303551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9241361424 + 6288965809 = 96132^2 + 79303^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530327233 - 2¹ = 15530327231 is a prime.

It is a super-2 number, since 2×15530327233² (a number of 21 digits) contains 22 as substring.

Together with 15530327231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15530327231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765163616 + 7765163617.

It is an arithmetic number, because the mean of its divisors is an integer number (7765163617).

Almost surely, 2^15530327233 is an apocalyptic number.

It is an amenable number.

15530327233 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530327233 is an equidigital number, since it uses as much as digits as its factorization.

15530327233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 34.

The spelling of 15530327233 in words is "fifteen billion, five hundred thirty million, three hundred twenty-seven thousand, two hundred thirty-three".