16453476639 has 12 divisors (see below), whose sum is σ = 25164140976. Its totient is φ = 10323749952.

The previous prime is 16453476631. The next prime is 16453476659. The reversal of 16453476639 is 93667435461.

16453476639 is a `hidden beast` number, since 1 + 6 + 4 + 534 + 76 + 6 + 39 = 666.

16453476639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16453476639 - 2³ = 16453476631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453476631) 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, 53769379 + ... + 53769684.

It is an arithmetic number, because the mean of its divisors is an integer number (2097011748).

Almost surely, 2^16453476639 is an apocalyptic number.

16453476639 is a deficient number, since it is larger than the sum of its proper divisors (8710664337).

16453476639 is a wasteful number, since it uses less digits than its factorization.

16453476639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107539086 (or 107539083 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 16453476639 in words is "sixteen billion, four hundred fifty-three million, four hundred seventy-six thousand, six hundred thirty-nine".