15005449994933 has 2 divisors, whose sum is σ = 15005449994934. Its totient is φ = 15005449994932.

The previous prime is 15005449994861. The next prime is 15005449994957. The reversal of 15005449994933 is 33949994450051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9887616113764 + 5117833881169 = 3144458^2 + 2262263^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005449994933 - 2²⁰ = 15005448946357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15005449994933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15005449994993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502724997466 + 7502724997467.

It is an arithmetic number, because the mean of its divisors is an integer number (7502724997467).

Almost surely, 2^{15005449994933} is an apocalyptic number.

It is an amenable number.

15005449994933 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005449994933 is an equidigital number, since it uses as much as digits as its factorization.

15005449994933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94478400, while the sum is 65.

The spelling of 15005449994933 in words is "fifteen trillion, five billion, four hundred forty-nine million, nine hundred ninety-four thousand, nine hundred thirty-three".