424262640663 has 12 divisors (see below), whose sum is σ = 613369531320. Its totient is φ = 282589891056.

The previous prime is 424262640661. The next prime is 424262640671. The reversal of 424262640663 is 366046262424.

It is not a de Polignac number, because 424262640663 - 2¹ = 424262640661 is a prime.

It is a super-2 number, since 2×424262640663² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424262640661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20978448 + ... + 20998661.

It is an arithmetic number, because the mean of its divisors is an integer number (51114127610).

Almost surely, 2^424262640663 is an apocalyptic number.

424262640663 is a deficient number, since it is larger than the sum of its proper divisors (189106890657).

424262640663 is a wasteful number, since it uses less digits than its factorization.

424262640663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41978238 (or 41978235 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 424262640663 in words is "four hundred twenty-four billion, two hundred sixty-two million, six hundred forty thousand, six hundred sixty-three".