631453448667 has 8 divisors (see below), whose sum is σ = 842178568000. Its totient is φ = 420848647560.

The previous prime is 631453448657. The next prime is 631453448669. The reversal of 631453448667 is 766844354136.

It is a happy number.

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

It is not a de Polignac number, because 631453448667 - 2²² = 631449254363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631453448669) 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, 30067309 + ... + 30088302.

It is an arithmetic number, because the mean of its divisors is an integer number (105272321000).

Almost surely, 2^631453448667 is an apocalyptic number.

631453448667 is a deficient number, since it is larger than the sum of its proper divisors (210725119333).

631453448667 is a wasteful number, since it uses less digits than its factorization.

631453448667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60159113.

The product of its digits is 34836480, while the sum is 57.

The spelling of 631453448667 in words is "six hundred thirty-one billion, four hundred fifty-three million, four hundred forty-eight thousand, six hundred sixty-seven".