425271216663 has 6 divisors (see below), whose sum is σ = 614280646304. Its totient is φ = 283514144436.

The previous prime is 425271216649. The next prime is 425271216703. The reversal of 425271216663 is 366612172524.

It is not a de Polignac number, because 425271216663 - 2⁸ = 425271216407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425271216613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23626178695 + ... + 23626178712.

Almost surely, 2^425271216663 is an apocalyptic number.

425271216663 is a deficient number, since it is larger than the sum of its proper divisors (189009429641).

425271216663 is a wasteful number, since it uses less digits than its factorization.

425271216663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47252357413 (or 47252357410 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 425271216663 in words is "four hundred twenty-five billion, two hundred seventy-one million, two hundred sixteen thousand, six hundred sixty-three".