9051881628 has 24 divisors (see below), whose sum is σ = 21247535232. Its totient is φ = 2999225584.

The previous prime is 9051881627. The next prime is 9051881639. The reversal of 9051881628 is 8261881509.

It is a super-2 number, since 2×9051881628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9051881627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256450 + ... + 2260457.

It is an arithmetic number, because the mean of its divisors is an integer number (885313968).

Almost surely, 2^9051881628 is an apocalyptic number.

It is an amenable number.

9051881628 is an abundant number, since it is smaller than the sum of its proper divisors (12195653604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9051881628 is a wasteful number, since it uses less digits than its factorization.

9051881628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517081 (or 4517079 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The square root of 9051881628 is about 95141.3770554116. The cubic root of 9051881628 is about 2084.0731351809.

It can be divided in two parts, 9051881 and 628, that added together give a palindrome (9052509).

The spelling of 9051881628 in words is "nine billion, fifty-one million, eight hundred eighty-one thousand, six hundred twenty-eight".