2115762997 has 2 divisors, whose sum is σ = 2115762998. Its totient is φ = 2115762996.

The previous prime is 2115762991. The next prime is 2115763003. The reversal of 2115762997 is 7992675112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2115762991) and next prime (2115763003).

It can be written as a sum of positive squares in only one way, i.e., 1356154276 + 759608721 = 36826^2 + 27561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115762997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2115762997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115762991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057881498 + 1057881499.

It is an arithmetic number, because the mean of its divisors is an integer number (1057881499).

Almost surely, 2^2115762997 is an apocalyptic number.

It is an amenable number.

2115762997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115762997 is an equidigital number, since it uses as much as digits as its factorization.

2115762997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 2115762997 is about 45997.4238082960. The cubic root of 2115762997 is about 1283.7752711853.

The spelling of 2115762997 in words is "two billion, one hundred fifteen million, seven hundred sixty-two thousand, nine hundred ninety-seven".