9387031473 has 6 divisors (see below), whose sum is σ = 13559045474. Its totient is φ = 6258020976.

The previous prime is 9387031427. The next prime is 9387031483. The reversal of 9387031473 is 3741307839.

It can be written as a sum of positive squares in only one way, i.e., 6927565824 + 2459465649 = 83232^2 + 49593^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9387031473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9387031403) 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, 521501740 + ... + 521501757.

Almost surely, 2^9387031473 is an apocalyptic number.

It is an amenable number.

9387031473 is a deficient number, since it is larger than the sum of its proper divisors (4172014001).

9387031473 is a wasteful number, since it uses less digits than its factorization.

9387031473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043003503 (or 1043003500 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 9387031473 is about 96886.6939935510. The cubic root of 9387031473 is about 2109.4832987544.

The spelling of 9387031473 in words is "nine billion, three hundred eighty-seven million, thirty-one thousand, four hundred seventy-three".