2015795993 has 2 divisors, whose sum is σ = 2015795994. Its totient is φ = 2015795992.

The previous prime is 2015795983. The next prime is 2015796031. The reversal of 2015795993 is 3995975102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1808205529 + 207590464 = 42523^2 + 14408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015795993 - 2¹⁰ = 2015794969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015795953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007897996 + 1007897997.

It is an arithmetic number, because the mean of its divisors is an integer number (1007897997).

Almost surely, 2^2015795993 is an apocalyptic number.

It is an amenable number.

2015795993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015795993 is an equidigital number, since it uses as much as digits as its factorization.

2015795993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 765450, while the sum is 50.

The square root of 2015795993 is about 44897.6167853039. The cubic root of 2015795993 is about 1263.2293062694.

The spelling of 2015795993 in words is "two billion, fifteen million, seven hundred ninety-five thousand, nine hundred ninety-three".