15005299993 has 2 divisors, whose sum is σ = 15005299994. Its totient is φ = 15005299992.

The previous prime is 15005299979. The next prime is 15005299997. The reversal of 15005299993 is 39999250051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14989594624 + 15705369 = 122432^2 + 3963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15005299993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15005299993.

It is not a weakly prime, because it can be changed into another prime (15005299997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502649996 + 7502649997.

It is an arithmetic number, because the mean of its divisors is an integer number (7502649997).

Almost surely, 2^15005299993 is an apocalyptic number.

It is an amenable number.

15005299993 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005299993 is an equidigital number, since it uses as much as digits as its factorization.

15005299993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 984150, while the sum is 52.

The spelling of 15005299993 in words is "fifteen billion, five million, two hundred ninety-nine thousand, nine hundred ninety-three".