420673325663 has 8 divisors (see below), whose sum is σ = 436123306080. Its totient is φ = 405286278880.

The previous prime is 420673325629. The next prime is 420673325713. The reversal of 420673325663 is 366523376024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420673325663 - 2¹⁸ = 420673063519 is a prime.

It is a super-3 number, since 3×420673325663³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420673325603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15719795 + ... + 15746532.

It is an arithmetic number, because the mean of its divisors is an integer number (54515413260).

Almost surely, 2^420673325663 is an apocalyptic number.

420673325663 is a deficient number, since it is larger than the sum of its proper divisors (15449980417).

420673325663 is a wasteful number, since it uses less digits than its factorization.

420673325663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31466817.

The product of its (nonzero) digits is 3265920, while the sum is 47.

The spelling of 420673325663 in words is "four hundred twenty billion, six hundred seventy-three million, three hundred twenty-five thousand, six hundred sixty-three".