7930453957 has 2 divisors, whose sum is σ = 7930453958. Its totient is φ = 7930453956.

The previous prime is 7930453943. The next prime is 7930453963. The reversal of 7930453957 is 7593540397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4036569156 + 3893884801 = 63534^2 + 62401^2 .

It is a cyclic number.

It is not a de Polignac number, because 7930453957 - 2¹¹ = 7930451909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7930453457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965226978 + 3965226979.

It is an arithmetic number, because the mean of its divisors is an integer number (3965226979).

Almost surely, 2^7930453957 is an apocalyptic number.

It is an amenable number.

7930453957 is a deficient number, since it is larger than the sum of its proper divisors (1).

7930453957 is an equidigital number, since it uses as much as digits as its factorization.

7930453957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The square root of 7930453957 is about 89053.0962796915. The cubic root of 7930453957 is about 1994.1876209050.

The spelling of 7930453957 in words is "seven billion, nine hundred thirty million, four hundred fifty-three thousand, nine hundred fifty-seven".