624661414064069 has 2 divisors, whose sum is σ = 624661414064070. Its totient is φ = 624661414064068.

The previous prime is 624661414063987. The next prime is 624661414064173. The reversal of 624661414064069 is 960460414166426.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355463134912900 + 269198279151169 = 18853730^2 + 16407263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624661414064069 is a prime.

It is a super-2 number, since 2×624661414064069² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624661414063999 and 624661414064017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624661414064669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312330707032034 + 312330707032035.

It is an arithmetic number, because the mean of its divisors is an integer number (312330707032035).

Almost surely, 2^{624661414064069} is an apocalyptic number.

It is an amenable number.

624661414064069 is a deficient number, since it is larger than the sum of its proper divisors (1).

624661414064069 is an equidigital number, since it uses as much as digits as its factorization.

624661414064069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35831808, while the sum is 59.

The spelling of 624661414064069 in words is "six hundred twenty-four trillion, six hundred sixty-one billion, four hundred fourteen million, sixty-four thousand, sixty-nine".