4642046640459 has 12 divisors (see below), whose sum is σ = 6847841853216. Its totient is φ = 3028853126832.

The previous prime is 4642046640443. The next prime is 4642046640463. The reversal of 4642046640459 is 9540466402464.

It is not a de Polignac number, because 4642046640459 - 2⁴ = 4642046640443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4642046640499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5487052344 + ... + 5487053189.

It is an arithmetic number, because the mean of its divisors is an integer number (570653487768).

Almost surely, 2^{4642046640459} is an apocalyptic number.

4642046640459 is a deficient number, since it is larger than the sum of its proper divisors (2205795212757).

4642046640459 is a wasteful number, since it uses less digits than its factorization.

4642046640459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10974105586 (or 10974105583 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 54.

The spelling of 4642046640459 in words is "four trillion, six hundred forty-two billion, forty-six million, six hundred forty thousand, four hundred fifty-nine".