11929847684 has 12 divisors (see below), whose sum is σ = 20877998400. Its totient is φ = 5964705288.

The previous prime is 11929847681. The next prime is 11929847689. The reversal of 11929847684 is 48674892911.

It is not an unprimeable number, because it can be changed into a prime (11929847681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183497 + ... + 239855.

It is an arithmetic number, because the mean of its divisors is an integer number (1739833200).

Almost surely, 2^11929847684 is an apocalyptic number.

It is an amenable number.

11929847684 is a deficient number, since it is larger than the sum of its proper divisors (8948150716).

11929847684 is a wasteful number, since it uses less digits than its factorization.

11929847684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109282 (or 109280 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 59.

The spelling of 11929847684 in words is "eleven billion, nine hundred twenty-nine million, eight hundred forty-seven thousand, six hundred eighty-four".