46618254818 has 4 divisors (see below), whose sum is σ = 69927382230. Its totient is φ = 23309127408.

The previous prime is 46618254803. The next prime is 46618254827. The reversal of 46618254818 is 81845281664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29607052489 + 17011202329 = 172067^2 + 130427^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 46618254818.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11654563703 + ... + 11654563706.

Almost surely, 2^46618254818 is an apocalyptic number.

46618254818 is a deficient number, since it is larger than the sum of its proper divisors (23309127412).

46618254818 is a wasteful number, since it uses less digits than its factorization.

46618254818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23309127411.

The product of its digits is 2949120, while the sum is 53.

The spelling of 46618254818 in words is "forty-six billion, six hundred eighteen million, two hundred fifty-four thousand, eight hundred eighteen".