14746997649 has 12 divisors (see below), whose sum is σ = 20752009296. Its totient is φ = 9313892568.

The previous prime is 14746997647. The next prime is 14746997659. The reversal of 14746997649 is 94679964741.

It is not a de Polignac number, because 14746997649 - 2¹ = 14746997647 is a prime.

It is a super-2 number, since 2×14746997649² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14746997649.

It is not an unprimeable number, because it can be changed into a prime (14746997647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6807319 + ... + 6809484.

It is an arithmetic number, because the mean of its divisors is an integer number (1729334108).

Almost surely, 2^14746997649 is an apocalyptic number.

14746997649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14746997649 is a deficient number, since it is larger than the sum of its proper divisors (6005011647).

14746997649 is a wasteful number, since it uses less digits than its factorization.

14746997649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616844 (or 13616825 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The spelling of 14746997649 in words is "fourteen billion, seven hundred forty-six million, nine hundred ninety-seven thousand, six hundred forty-nine".