4125398957 has 2 divisors, whose sum is σ = 4125398958. Its totient is φ = 4125398956.

The previous prime is 4125398947. The next prime is 4125398983. The reversal of 4125398957 is 7598935214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2081093161 + 2044305796 = 45619^2 + 45214^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125398957 - 2⁸ = 4125398701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4125398899 and 4125398908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125398917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062699478 + 2062699479.

It is an arithmetic number, because the mean of its divisors is an integer number (2062699479).

Almost surely, 2^4125398957 is an apocalyptic number.

It is an amenable number.

4125398957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125398957 is an equidigital number, since it uses as much as digits as its factorization.

4125398957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 4125398957 is about 64229.2686942643. The cubic root of 4125398957 is about 1603.8188670998.

The spelling of 4125398957 in words is "four billion, one hundred twenty-five million, three hundred ninety-eight thousand, nine hundred fifty-seven".