9189954560 has 44 divisors (see below), whose sum is σ = 22045133748. Its totient is φ = 3675979776.

The previous prime is 9189954551. The next prime is 9189954563. The reversal of 9189954560 is 654599819.

It can be written as a sum of positive squares in 2 ways, for example, as 6292931584 + 2897022976 = 79328^2 + 53824^2 .

It is a super-3 number, since 3×9189954560³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9189954496 and 9189954505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9189954563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 892337 + ... + 902576.

It is an arithmetic number, because the mean of its divisors is an integer number (501025767).

Almost surely, 2^9189954560 is an apocalyptic number.

It is an amenable number.

9189954560 is an abundant number, since it is smaller than the sum of its proper divisors (12855179188).

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

9189954560 is a wasteful number, since it uses less digits than its factorization.

9189954560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794938 (or 1794920 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 9189954560 is about 95864.2506881476. The cubic root of 9189954560 is about 2094.6161834865.

The spelling of 9189954560 in words is "nine billion, one hundred eighty-nine million, nine hundred fifty-four thousand, five hundred sixty".