2113078837 has 2 divisors, whose sum is σ = 2113078838. Its totient is φ = 2113078836.

The previous prime is 2113078829. The next prime is 2113078859. The reversal of 2113078837 is 7388703112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274918436 + 838160401 = 35706^2 + 28951^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113078837 - 2³ = 2113078829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113078837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113078817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056539418 + 1056539419.

It is an arithmetic number, because the mean of its divisors is an integer number (1056539419).

Almost surely, 2^2113078837 is an apocalyptic number.

It is an amenable number.

2113078837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113078837 is an equidigital number, since it uses as much as digits as its factorization.

2113078837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2113078837 is about 45968.2372622662. The cubic root of 2113078837 is about 1283.2321548313.

The spelling of 2113078837 in words is "two billion, one hundred thirteen million, seventy-eight thousand, eight hundred thirty-seven".