14821393761 has 12 divisors (see below), whose sum is σ = 21409741860. Its totient is φ = 9880439040.

The previous prime is 14821393759. The next prime is 14821393799. The reversal of 14821393761 is 16739312841.

14821393761 is a `hidden beast` number, since 1 + 482 + 13 + 93 + 76 + 1 = 666.

14821393761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1104299361 + 13717094400 = 33231^2 + 117120^2 .

It is not a de Polignac number, because 14821393761 - 2¹ = 14821393759 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14891393761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303141 + ... + 348621.

It is an arithmetic number, because the mean of its divisors is an integer number (1784145155).

Almost surely, 2^14821393761 is an apocalyptic number.

It is an amenable number.

14821393761 is a deficient number, since it is larger than the sum of its proper divisors (6588348099).

14821393761 is a wasteful number, since it uses less digits than its factorization.

14821393761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81696 (or 81693 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 14821393761 in words is "fourteen billion, eight hundred twenty-one million, three hundred ninety-three thousand, seven hundred sixty-one".