2115770933 has 2 divisors, whose sum is σ = 2115770934. Its totient is φ = 2115770932.

The previous prime is 2115770809. The next prime is 2115770947. The reversal of 2115770933 is 3390775112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2101947409 + 13823524 = 45847^2 + 3718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115770933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115770953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057885466 + 1057885467.

It is an arithmetic number, because the mean of its divisors is an integer number (1057885467).

Almost surely, 2^2115770933 is an apocalyptic number.

It is an amenable number.

2115770933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115770933 is an equidigital number, since it uses as much as digits as its factorization.

2115770933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 2115770933 is about 45997.5100739160. The cubic root of 2115770933 is about 1283.7768762844.

The spelling of 2115770933 in words is "two billion, one hundred fifteen million, seven hundred seventy thousand, nine hundred thirty-three".