2103422957 has 2 divisors, whose sum is σ = 2103422958. Its totient is φ = 2103422956.

The previous prime is 2103422941. The next prime is 2103422969. The reversal of 2103422957 is 7592243012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059253641 + 44169316 = 45379^2 + 6646^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103422957 - 2⁴ = 2103422941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103422977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051711478 + 1051711479.

It is an arithmetic number, because the mean of its divisors is an integer number (1051711479).

Almost surely, 2^2103422957 is an apocalyptic number.

It is an amenable number.

2103422957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103422957 is an equidigital number, since it uses as much as digits as its factorization.

2103422957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2103422957 is about 45863.0892657701. The cubic root of 2103422957 is about 1281.2745599036.

Adding to 2103422957 its reverse (7592243012), we get a palindrome (9695665969).

The spelling of 2103422957 in words is "two billion, one hundred three million, four hundred twenty-two thousand, nine hundred fifty-seven".