7957516453 has 2 divisors, whose sum is σ = 7957516454. Its totient is φ = 7957516452.

The previous prime is 7957516439. The next prime is 7957516477. The reversal of 7957516453 is 3546157597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5431247809 + 2526268644 = 73697^2 + 50262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7957516453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7957516453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7957516493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978758226 + 3978758227.

It is an arithmetic number, because the mean of its divisors is an integer number (3978758227).

Almost surely, 2^7957516453 is an apocalyptic number.

It is an amenable number.

7957516453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7957516453 is an equidigital number, since it uses as much as digits as its factorization.

7957516453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3969000, while the sum is 52.

The square root of 7957516453 is about 89204.9127178543. The cubic root of 7957516453 is about 1996.4534190158.

The spelling of 7957516453 in words is "seven billion, nine hundred fifty-seven million, five hundred sixteen thousand, four hundred fifty-three".