624226404556897 has 2 divisors, whose sum is σ = 624226404556898. Its totient is φ = 624226404556896.

The previous prime is 624226404556883. The next prime is 624226404556907. The reversal of 624226404556897 is 798655404622426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359342674544896 + 264883730012001 = 18956336^2 + 16275249^2 .

It is a cyclic number.

It is not a de Polignac number, because 624226404556897 - 2³⁹ = 623676648743009 is a prime.

It is not a weakly prime, because it can be changed into another prime (624226404556397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312113202278448 + 312113202278449.

It is an arithmetic number, because the mean of its divisors is an integer number (312113202278449).

Almost surely, 2^{624226404556897} is an apocalyptic number.

It is an amenable number.

624226404556897 is a deficient number, since it is larger than the sum of its proper divisors (1).

624226404556897 is an equidigital number, since it uses as much as digits as its factorization.

624226404556897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1393459200, while the sum is 70.

The spelling of 624226404556897 in words is "six hundred twenty-four trillion, two hundred twenty-six billion, four hundred four million, five hundred fifty-six thousand, eight hundred ninety-seven".