2125696931 has 2 divisors, whose sum is σ = 2125696932. Its totient is φ = 2125696930.

The previous prime is 2125696843. The next prime is 2125696967. The reversal of 2125696931 is 1396965212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125696931 - 2¹⁰ = 2125695907 is a prime.

It is a super-2 number, since 2×2125696931² = 9037174884925637522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2125692931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062848465 + 1062848466.

It is an arithmetic number, because the mean of its divisors is an integer number (1062848466).

Almost surely, 2^2125696931 is an apocalyptic number.

2125696931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125696931 is an equidigital number, since it uses as much as digits as its factorization.

2125696931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The square root of 2125696931 is about 46105.2809448115. The cubic root of 2125696931 is about 1285.7813294451.

The spelling of 2125696931 in words is "two billion, one hundred twenty-five million, six hundred ninety-six thousand, nine hundred thirty-one".