9140909646 has 16 divisors (see below), whose sum is σ = 19943803008. Its totient is φ = 2769972600.

The previous prime is 9140909627. The next prime is 9140909651. The reversal of 9140909646 is 6469090419.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9140909595 and 9140909604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69249250 + ... + 69249381.

It is an arithmetic number, because the mean of its divisors is an integer number (1246487688).

Almost surely, 2^9140909646 is an apocalyptic number.

9140909646 is an abundant number, since it is smaller than the sum of its proper divisors (10802893362).

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

9140909646 is a wasteful number, since it uses less digits than its factorization.

9140909646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138498647.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 9140909646 is about 95608.1044995664. The cubic root of 9140909646 is about 2090.8833552899.

The spelling of 9140909646 in words is "nine billion, one hundred forty million, nine hundred nine thousand, six hundred forty-six".