631517244473 has 8 divisors (see below), whose sum is σ = 633521656320. Its totient is φ = 629513414640.

The previous prime is 631517244443. The next prime is 631517244497. The reversal of 631517244473 is 374442715136.

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 631517244473 - 2¹² = 631517240377 is a prime.

It is a super-3 number, since 3×631517244473³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631517244443) 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, 2082011 + ... + 2365967.

It is an arithmetic number, because the mean of its divisors is an integer number (79190207040).

Almost surely, 2^631517244473 is an apocalyptic number.

It is an amenable number.

631517244473 is a deficient number, since it is larger than the sum of its proper divisors (2004411847).

631517244473 is a wasteful number, since it uses less digits than its factorization.

631517244473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291007.

The product of its digits is 1693440, while the sum is 47.

The spelling of 631517244473 in words is "six hundred thirty-one billion, five hundred seventeen million, two hundred forty-four thousand, four hundred seventy-three".