624906467993 has 2 divisors, whose sum is σ = 624906467994. Its totient is φ = 624906467992.

The previous prime is 624906467921. The next prime is 624906468001. The reversal of 624906467993 is 399764609426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429297523264 + 195608944729 = 655208^2 + 442277^2 .

It is a cyclic number.

It is not a de Polignac number, because 624906467993 - 2⁸ = 624906467737 is a prime.

It is not a weakly prime, because it can be changed into another prime (624906457993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312453233996 + 312453233997.

It is an arithmetic number, because the mean of its divisors is an integer number (312453233997).

Almost surely, 2^624906467993 is an apocalyptic number.

It is an amenable number.

624906467993 is a deficient number, since it is larger than the sum of its proper divisors (1).

624906467993 is an equidigital number, since it uses as much as digits as its factorization.

624906467993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105815808, while the sum is 65.

The spelling of 624906467993 in words is "six hundred twenty-four billion, nine hundred six million, four hundred sixty-seven thousand, nine hundred ninety-three".