14794491561 has 16 divisors (see below), whose sum is σ = 19875394560. Its totient is φ = 9788532480.

The previous prime is 14794491557. The next prime is 14794491583. The reversal of 14794491561 is 16519449741.

It is not a de Polignac number, because 14794491561 - 2² = 14794491557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14794491521) 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, 218295 + ... + 277923.

It is an arithmetic number, because the mean of its divisors is an integer number (1242212160).

Almost surely, 2^14794491561 is an apocalyptic number.

It is an amenable number.

14794491561 is a deficient number, since it is larger than the sum of its proper divisors (5080902999).

14794491561 is a wasteful number, since it uses less digits than its factorization.

14794491561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60256.

The product of its digits is 1088640, while the sum is 51.

The spelling of 14794491561 in words is "fourteen billion, seven hundred ninety-four million, four hundred ninety-one thousand, five hundred sixty-one".