624661565040131 has 2 divisors, whose sum is σ = 624661565040132. Its totient is φ = 624661565040130.

The previous prime is 624661565040101. The next prime is 624661565040209. The reversal of 624661565040131 is 131040565166426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 624661565040131 - 2¹⁰ = 624661565039107 is a prime.

It is a super-2 number, since 2×624661565040131² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 624661565040131.

It is not a weakly prime, because it can be changed into another prime (624661565040101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312330782520065 + 312330782520066.

It is an arithmetic number, because the mean of its divisors is an integer number (312330782520066).

Almost surely, 2^{624661565040131} is an apocalyptic number.

624661565040131 is a deficient number, since it is larger than the sum of its proper divisors (1).

624661565040131 is an equidigital number, since it uses as much as digits as its factorization.

624661565040131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 624661565040131 in words is "six hundred twenty-four trillion, six hundred sixty-one billion, five hundred sixty-five million, forty thousand, one hundred thirty-one".