9181373090 has 16 divisors (see below), whose sum is σ = 17498617272. Its totient is φ = 3456516864.

The previous prime is 9181373081. The next prime is 9181373101. The reversal of 9181373090 is 903731819.

9181373090 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9125407729 + 55965361 = 95527^2 + 7481^2 .

It is a super-2 number, since 2×9181373090² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27003869 + ... + 27004208.

Almost surely, 2^9181373090 is an apocalyptic number.

9181373090 is a deficient number, since it is larger than the sum of its proper divisors (8317244182).

9181373090 is a wasteful number, since it uses less digits than its factorization.

9181373090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008101.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 9181373090 is about 95819.4817873693. The cubic root of 9181373090 is about 2093.9640045725.

The spelling of 9181373090 in words is "nine billion, one hundred eighty-one million, three hundred seventy-three thousand, ninety".