624664334456671 has 2 divisors, whose sum is σ = 624664334456672. Its totient is φ = 624664334456670.

The previous prime is 624664334456633. The next prime is 624664334456677. The reversal of 624664334456671 is 176654433466426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624664334456671 - 2²⁹ = 624663797585759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 624664334456597 and 624664334456606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624664334456677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312332167228335 + 312332167228336.

It is an arithmetic number, because the mean of its divisors is an integer number (312332167228336).

Almost surely, 2^{624664334456671} is an apocalyptic number.

624664334456671 is a deficient number, since it is larger than the sum of its proper divisors (1).

624664334456671 is an equidigital number, since it uses as much as digits as its factorization.

624664334456671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1254113280, while the sum is 67.

The spelling of 624664334456671 in words is "six hundred twenty-four trillion, six hundred sixty-four billion, three hundred thirty-four million, four hundred fifty-six thousand, six hundred seventy-one".