625453354499 has 2 divisors, whose sum is σ = 625453354500. Its totient is φ = 625453354498.

The previous prime is 625453354387. The next prime is 625453354543. The reversal of 625453354499 is 994453354526.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625453354499 is a prime.

It is not a weakly prime, because it can be changed into another prime (625453374499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312726677249 + 312726677250.

It is an arithmetic number, because the mean of its divisors is an integer number (312726677250).

Almost surely, 2^625453354499 is an apocalyptic number.

625453354499 is a deficient number, since it is larger than the sum of its proper divisors (1).

625453354499 is an equidigital number, since it uses as much as digits as its factorization.

625453354499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984000, while the sum is 59.

The spelling of 625453354499 in words is "six hundred twenty-five billion, four hundred fifty-three million, three hundred fifty-four thousand, four hundred ninety-nine".