2113458953 has 2 divisors, whose sum is σ = 2113458954. Its totient is φ = 2113458952.

The previous prime is 2113458947. The next prime is 2113458961. The reversal of 2113458953 is 3598543112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972514569 + 140944384 = 44413^2 + 11872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113458953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113458953.

It is not a weakly prime, because it can be changed into another prime (2113458973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056729476 + 1056729477.

It is an arithmetic number, because the mean of its divisors is an integer number (1056729477).

Almost surely, 2^2113458953 is an apocalyptic number.

It is an amenable number.

2113458953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113458953 is an equidigital number, since it uses as much as digits as its factorization.

2113458953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 2113458953 is about 45972.3716268804. The cubic root of 2113458953 is about 1283.3090959310.

The spelling of 2113458953 in words is "two billion, one hundred thirteen million, four hundred fifty-eight thousand, nine hundred fifty-three".