9018747997232 has 10 divisors (see below), whose sum is σ = 17473824244668. Its totient is φ = 4509373998608.

The previous prime is 9018747997223. The next prime is 9018747997247. The reversal of 9018747997232 is 2327997478109.

It is a super-2 number, since 2×9018747997232² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281835874898 + ... + 281835874929.

Almost surely, 2^{9018747997232} is an apocalyptic number.

It is an amenable number.

9018747997232 is a deficient number, since it is larger than the sum of its proper divisors (8455076247436).

9018747997232 is a wasteful number, since it uses less digits than its factorization.

9018747997232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563671749835 (or 563671749829 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 9018747997232 in words is "nine trillion, eighteen billion, seven hundred forty-seven million, nine hundred ninety-seven thousand, two hundred thirty-two".