8456425699 has 2 divisors, whose sum is σ = 8456425700. Its totient is φ = 8456425698.

The previous prime is 8456425657. The next prime is 8456425771. The reversal of 8456425699 is 9965246548.

8456425699 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8456425699 is a prime.

It is a super-2 number, since 2×8456425699² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8456425609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228212849 + 4228212850.

It is an arithmetic number, because the mean of its divisors is an integer number (4228212850).

Almost surely, 2^8456425699 is an apocalyptic number.

8456425699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8456425699 is an equidigital number, since it uses as much as digits as its factorization.

8456425699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 58.

The square root of 8456425699 is about 91958.8261071225. The cubic root of 8456425699 is about 2037.3342165487.

The spelling of 8456425699 in words is "eight billion, four hundred fifty-six million, four hundred twenty-five thousand, six hundred ninety-nine".