15051902849 has 2 divisors, whose sum is σ = 15051902850. Its totient is φ = 15051902848.

The previous prime is 15051902839. The next prime is 15051902863. The reversal of 15051902849 is 94820915051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10086586624 + 4965316225 = 100432^2 + 70465^2 .

It is a cyclic number.

It is not a de Polignac number, because 15051902849 - 2¹⁶ = 15051837313 is a prime.

It is not a weakly prime, because it can be changed into another prime (15051902819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525951424 + 7525951425.

It is an arithmetic number, because the mean of its divisors is an integer number (7525951425).

Almost surely, 2^15051902849 is an apocalyptic number.

It is an amenable number.

15051902849 is a deficient number, since it is larger than the sum of its proper divisors (1).

15051902849 is an equidigital number, since it uses as much as digits as its factorization.

15051902849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 15051902849 in words is "fifteen billion, fifty-one million, nine hundred two thousand, eight hundred forty-nine".