624661414064173 has 2 divisors, whose sum is σ = 624661414064174. Its totient is φ = 624661414064172.

The previous prime is 624661414064069. The next prime is 624661414064179. The reversal of 624661414064173 is 371460414166426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408007801835209 + 216653612228964 = 20199203^2 + 14719158^2 .

It is a cyclic number.

It is not a de Polignac number, because 624661414064173 - 2¹³ = 624661414055981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624661414064179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312330707032086 + 312330707032087.

It is an arithmetic number, because the mean of its divisors is an integer number (312330707032087).

Almost surely, 2^{624661414064173} is an apocalyptic number.

It is an amenable number.

624661414064173 is a deficient number, since it is larger than the sum of its proper divisors (1).

624661414064173 is an equidigital number, since it uses as much as digits as its factorization.

624661414064173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 624661414064173 in words is "six hundred twenty-four trillion, six hundred sixty-one billion, four hundred fourteen million, sixty-four thousand, one hundred seventy-three".