8318616451 has 2 divisors, whose sum is σ = 8318616452. Its totient is φ = 8318616450.

The previous prime is 8318616413. The next prime is 8318616463. The reversal of 8318616451 is 1546168138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8318616451 - 2²³ = 8310227843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8318616398 and 8318616407.

It is not a weakly prime, because it can be changed into another prime (8318616751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159308225 + 4159308226.

It is an arithmetic number, because the mean of its divisors is an integer number (4159308226).

Almost surely, 2^8318616451 is an apocalyptic number.

8318616451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8318616451 is an equidigital number, since it uses as much as digits as its factorization.

8318616451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 43.

The square root of 8318616451 is about 91206.4496129523. The cubic root of 8318616451 is about 2026.2064812471.

The spelling of 8318616451 in words is "eight billion, three hundred eighteen million, six hundred sixteen thousand, four hundred fifty-one".