9091954923 has 16 divisors (see below), whose sum is σ = 12699379200. Its totient is φ = 5778208800.

The previous prime is 9091954919. The next prime is 9091954951. The reversal of 9091954923 is 3294591909.

It is a happy number.

It is not a de Polignac number, because 9091954923 - 2² = 9091954919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9091955923) 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 15 ways as a sum of consecutive naturals, for example, 654553 + ... + 668298.

It is an arithmetic number, because the mean of its divisors is an integer number (793711200).

Almost surely, 2^9091954923 is an apocalyptic number.

9091954923 is a deficient number, since it is larger than the sum of its proper divisors (3607424277).

9091954923 is a wasteful number, since it uses less digits than its factorization.

9091954923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322962.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 9091954923 is about 95351.7431565884. The cubic root of 9091954923 is about 2087.1440523672.

The spelling of 9091954923 in words is "nine billion, ninety-one million, nine hundred fifty-four thousand, nine hundred twenty-three".