10949653809 has 24 divisors (see below), whose sum is σ = 16331857152. Its totient is φ = 7061916960.

The previous prime is 10949653727. The next prime is 10949653843. The reversal of 10949653809 is 90835694901.

10949653809 is a `hidden beast` number, since 10 + 9 + 4 + 96 + 538 + 0 + 9 = 666.

It is not a de Polignac number, because 10949653809 - 2⁷ = 10949653681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10949633809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257579 + ... + 1266255.

It is an arithmetic number, because the mean of its divisors is an integer number (680494048).

Almost surely, 2^10949653809 is an apocalyptic number.

It is an amenable number.

10949653809 is a deficient number, since it is larger than the sum of its proper divisors (5382203343).

10949653809 is a wasteful number, since it uses less digits than its factorization.

10949653809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13237 (or 13234 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 10949653809 in words is "ten billion, nine hundred forty-nine million, six hundred fifty-three thousand, eight hundred nine".