46994581999 has 4 divisors (see below), whose sum is σ = 47040076336. Its totient is φ = 46949087664.

The previous prime is 46994581993. The next prime is 46994582003. The reversal of 46994581999 is 99918549964.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 46994581999 - 2¹³ = 46994573807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46994581993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22745619 + ... + 22747684.

It is an arithmetic number, because the mean of its divisors is an integer number (11760019084).

Almost surely, 2^46994581999 is an apocalyptic number.

46994581999 is a deficient number, since it is larger than the sum of its proper divisors (45494337).

46994581999 is a wasteful number, since it uses less digits than its factorization.

46994581999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45494336.

The product of its digits is 226748160, while the sum is 73.

The spelling of 46994581999 in words is "forty-six billion, nine hundred ninety-four million, five hundred eighty-one thousand, nine hundred ninety-nine".