624342243397 has 2 divisors, whose sum is σ = 624342243398. Its totient is φ = 624342243396.

The previous prime is 624342243391. The next prime is 624342243509. The reversal of 624342243397 is 793342243426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599302029316 + 25040214081 = 774146^2 + 158241^2 .

It is a cyclic number.

It is not a de Polignac number, because 624342243397 - 2¹⁵ = 624342210629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 624342243397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (624342243391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312171121698 + 312171121699.

It is an arithmetic number, because the mean of its divisors is an integer number (312171121699).

Almost surely, 2^624342243397 is an apocalyptic number.

It is an amenable number.

624342243397 is a deficient number, since it is larger than the sum of its proper divisors (1).

624342243397 is an equidigital number, since it uses as much as digits as its factorization.

624342243397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 49.

The spelling of 624342243397 in words is "six hundred twenty-four billion, three hundred forty-two million, two hundred forty-three thousand, three hundred ninety-seven".