15005320949 has 2 divisors, whose sum is σ = 15005320950. Its totient is φ = 15005320948.

The previous prime is 15005320937. The next prime is 15005321017. The reversal of 15005320949 is 94902350051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14271886225 + 733434724 = 119465^2 + 27082^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005320949 - 2⁴ = 15005320933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15005320049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502660474 + 7502660475.

It is an arithmetic number, because the mean of its divisors is an integer number (7502660475).

Almost surely, 2^15005320949 is an apocalyptic number.

It is an amenable number.

15005320949 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005320949 is an equidigital number, since it uses as much as digits as its factorization.

15005320949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 15005320949 in words is "fifteen billion, five million, three hundred twenty thousand, nine hundred forty-nine".