11909679674 has 32 divisors (see below), whose sum is σ = 19020718080. Its totient is φ = 5576835312.

The previous prime is 11909679659. The next prime is 11909679697. The reversal of 11909679674 is 47697690911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2530007 + ... + 2534709.

It is an arithmetic number, because the mean of its divisors is an integer number (594397440).

Almost surely, 2^11909679674 is an apocalyptic number.

11909679674 is a deficient number, since it is larger than the sum of its proper divisors (7111038406).

11909679674 is a wasteful number, since it uses less digits than its factorization.

11909679674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 11909679674 in words is "eleven billion, nine hundred nine million, six hundred seventy-nine thousand, six hundred seventy-four".