14640808797 has 6 divisors (see below), whose sum is σ = 21147834942. Its totient is φ = 9760539192.

The previous prime is 14640808771. The next prime is 14640808913. The reversal of 14640808797 is 79780804641.

It is a happy number.

14640808797 is a `hidden beast` number, since 146 + 408 + 0 + 8 + 7 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11155795641 + 3485013156 = 105621^2 + 59034^2 .

It is not a de Polignac number, because 14640808797 - 2¹¹ = 14640806749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14640808097) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813378258 + ... + 813378275.

It is an arithmetic number, because the mean of its divisors is an integer number (3524639157).

Almost surely, 2^14640808797 is an apocalyptic number.

It is an amenable number.

14640808797 is a deficient number, since it is larger than the sum of its proper divisors (6507026145).

14640808797 is a wasteful number, since it uses less digits than its factorization.

14640808797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626756539 (or 1626756536 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 14640808797 in words is "fourteen billion, six hundred forty million, eight hundred eight thousand, seven hundred ninety-seven".