9731881473 has 8 divisors (see below), whose sum is σ = 13041048000. Its totient is φ = 6455317968.

The previous prime is 9731881459. The next prime is 9731881493. The reversal of 9731881473 is 3741881379.

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

It is not a de Polignac number, because 9731881473 - 2⁴ = 9731881457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9731881493) 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, 8150058 + ... + 8151251.

It is an arithmetic number, because the mean of its divisors is an integer number (1630131000).

Almost surely, 2^9731881473 is an apocalyptic number.

It is an amenable number.

9731881473 is a deficient number, since it is larger than the sum of its proper divisors (3309166527).

9731881473 is a wasteful number, since it uses less digits than its factorization.

9731881473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16301511.

The product of its digits is 1016064, while the sum is 51.

The square root of 9731881473 is about 98650.2988996992. The cubic root of 9731881473 is about 2135.0051992334.

The spelling of 9731881473 in words is "nine billion, seven hundred thirty-one million, eight hundred eighty-one thousand, four hundred seventy-three".