424915612818793 has 2 divisors, whose sum is σ = 424915612818794. Its totient is φ = 424915612818792.

The previous prime is 424915612818791. The next prime is 424915612818833. The reversal of 424915612818793 is 397818216519424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423427415331904 + 1488197486889 = 20577352^2 + 1219917^2 .

It is a cyclic number.

It is not a de Polignac number, because 424915612818793 - 2¹ = 424915612818791 is a prime.

Together with 424915612818791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (424915612818791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212457806409396 + 212457806409397.

It is an arithmetic number, because the mean of its divisors is an integer number (212457806409397).

Almost surely, 2^{424915612818793} is an apocalyptic number.

It is an amenable number.

424915612818793 is a deficient number, since it is larger than the sum of its proper divisors (1).

424915612818793 is an equidigital number, since it uses as much as digits as its factorization.

424915612818793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 70.

The spelling of 424915612818793 in words is "four hundred twenty-four trillion, nine hundred fifteen billion, six hundred twelve million, eight hundred eighteen thousand, seven hundred ninety-three".