14691109642 has 32 divisors (see below), whose sum is σ = 24185952000. Its totient is φ = 6637344000.

The previous prime is 14691109639. The next prime is 14691109651. The reversal of 14691109642 is 24690119641.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3157734 + ... + 3162382.

It is an arithmetic number, because the mean of its divisors is an integer number (755811000).

Almost surely, 2^14691109642 is an apocalyptic number.

14691109642 is a deficient number, since it is larger than the sum of its proper divisors (9494842358).

14691109642 is a wasteful number, since it uses less digits than its factorization.

14691109642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502.

The product of its (nonzero) digits is 93312, while the sum is 43.

Subtracting 14691109642 from its reverse (24690119641), we obtain a palindrome (9999009999).

It can be divided in two parts, 1469 and 1109642, that added together give a palindrome (1111111).

The spelling of 14691109642 in words is "fourteen billion, six hundred ninety-one million, one hundred nine thousand, six hundred forty-two".