46818499689 has 48 divisors (see below), whose sum is σ = 78810006912. Its totient is φ = 27558672768.

The previous prime is 46818499669. The next prime is 46818499733. The reversal of 46818499689 is 98699481864.

46818499689 is a `hidden beast` number, since 4 + 68 + 18 + 499 + 68 + 9 = 666.

It is not a de Polignac number, because 46818499689 - 2¹⁵ = 46818466921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46818499669) 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 47 ways as a sum of consecutive naturals, for example, 249532 + ... + 394845.

It is an arithmetic number, because the mean of its divisors is an integer number (1641875144).

Almost surely, 2^46818499689 is an apocalyptic number.

It is an amenable number.

46818499689 is a deficient number, since it is larger than the sum of its proper divisors (31991507223).

46818499689 is a wasteful number, since it uses less digits than its factorization.

46818499689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644428 (or 644416 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 72.

The spelling of 46818499689 in words is "forty-six billion, eight hundred eighteen million, four hundred ninety-nine thousand, six hundred eighty-nine".