909945683 has 4 divisors (see below), whose sum is σ = 920908968. Its totient is φ = 898982400.

The previous prime is 909945679. The next prime is 909945703. The reversal of 909945683 is 386549909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 909945683 - 2² = 909945679 is a prime.

It is a super-2 number, since 2×909945683² = 1656002292020672978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (909945083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5481518 + ... + 5481683.

It is an arithmetic number, because the mean of its divisors is an integer number (230227242).

Almost surely, 2^909945683 is an apocalyptic number.

909945683 is a deficient number, since it is larger than the sum of its proper divisors (10963285).

909945683 is a wasteful number, since it uses less digits than its factorization.

909945683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963284.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 909945683 is about 30165.3059490535. The cubic root of 909945683 is about 969.0328273724.

The spelling of 909945683 in words is "nine hundred nine million, nine hundred forty-five thousand, six hundred eighty-three".