10947913809 has 16 divisors (see below), whose sum is σ = 16830172032. Its totient is φ = 6200587008.

The previous prime is 10947913789. The next prime is 10947913843. The reversal of 10947913809 is 90831974901.

It is a happy number.

It is not a de Polignac number, because 10947913809 - 2⁵ = 10947913777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10947913309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304394 + ... + 2309139.

It is an arithmetic number, because the mean of its divisors is an integer number (1051885752).

Almost surely, 2^10947913809 is an apocalyptic number.

It is an amenable number.

10947913809 is a deficient number, since it is larger than the sum of its proper divisors (5882258223).

10947913809 is a wasteful number, since it uses less digits than its factorization.

10947913809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613656.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 10947913809 in words is "ten billion, nine hundred forty-seven million, nine hundred thirteen thousand, eight hundred nine".