9081630442 has 8 divisors (see below), whose sum is σ = 13623272100. Its totient is φ = 4540539744.

The previous prime is 9081630419. The next prime is 9081630449. The reversal of 9081630442 is 2440361809.

It can be written as a sum of positive squares in 2 ways, for example, as 9076563441 + 5067001 = 95271^2 + 2251^2 .

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

It is a super-2 number, since 2×9081630442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9081630449) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 93717 + ... + 164152.

Almost surely, 2^9081630442 is an apocalyptic number.

9081630442 is a deficient number, since it is larger than the sum of its proper divisors (4541641658).

9081630442 is a wasteful number, since it uses less digits than its factorization.

9081630442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275480.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 9081630442 is about 95297.5888572214. The cubic root of 9081630442 is about 2086.3537257884.

The spelling of 9081630442 in words is "nine billion, eighty-one million, six hundred thirty thousand, four hundred forty-two".