2113396757 has 2 divisors, whose sum is σ = 2113396758. Its totient is φ = 2113396756.

The previous prime is 2113396751. The next prime is 2113396763. The reversal of 2113396757 is 7576933112.

It is a balanced prime because it is at equal distance from previous prime (2113396751) and next prime (2113396763).

It can be written as a sum of positive squares in only one way, i.e., 1410828721 + 702568036 = 37561^2 + 26506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113396757 - 2²⁰ = 2112348181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113396751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056698378 + 1056698379.

It is an arithmetic number, because the mean of its divisors is an integer number (1056698379).

Almost surely, 2^2113396757 is an apocalyptic number.

It is an amenable number.

2113396757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113396757 is an equidigital number, since it uses as much as digits as its factorization.

2113396757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 2113396757 is about 45971.6951721383. The cubic root of 2113396757 is about 1283.2965071721.

The spelling of 2113396757 in words is "two billion, one hundred thirteen million, three hundred ninety-six thousand, seven hundred fifty-seven".