15230533613 has 2 divisors, whose sum is σ = 15230533614. Its totient is φ = 15230533612.

The previous prime is 15230533561. The next prime is 15230533679. The reversal of 15230533613 is 31633503251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14879608324 + 350925289 = 121982^2 + 18733^2 .

It is a cyclic number.

It is not a de Polignac number, because 15230533613 - 2¹⁴ = 15230517229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15230533613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15230533313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615266806 + 7615266807.

It is an arithmetic number, because the mean of its divisors is an integer number (7615266807).

Almost surely, 2^15230533613 is an apocalyptic number.

It is an amenable number.

15230533613 is a deficient number, since it is larger than the sum of its proper divisors (1).

15230533613 is an equidigital number, since it uses as much as digits as its factorization.

15230533613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 15230533613 in words is "fifteen billion, two hundred thirty million, five hundred thirty-three thousand, six hundred thirteen".