424455375703663 has 2 divisors, whose sum is σ = 424455375703664. Its totient is φ = 424455375703662.

The previous prime is 424455375703657. The next prime is 424455375703687. The reversal of 424455375703663 is 366307573554424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424455375703663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424455375703595 and 424455375703604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424455375703963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212227687851831 + 212227687851832.

It is an arithmetic number, because the mean of its divisors is an integer number (212227687851832).

Almost surely, 2^{424455375703663} is an apocalyptic number.

424455375703663 is a deficient number, since it is larger than the sum of its proper divisors (1).

424455375703663 is an equidigital number, since it uses as much as digits as its factorization.

424455375703663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048000, while the sum is 64.

The spelling of 424455375703663 in words is "four hundred twenty-four trillion, four hundred fifty-five billion, three hundred seventy-five million, seven hundred three thousand, six hundred sixty-three".