5999649994 has 8 divisors (see below), whose sum is σ = 9691742340. Its totient is φ = 2769069216.

The previous prime is 5999649989. The next prime is 5999650031. The reversal of 5999649994 is 4999469995.

It can be written as a sum of positive squares in 2 ways, for example, as 5996179225 + 3470769 = 77435^2 + 1863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 115377859 + ... + 115377910.

Almost surely, 2^5999649994 is an apocalyptic number.

5999649994 is a deficient number, since it is larger than the sum of its proper divisors (3692092346).

5999649994 is a wasteful number, since it uses less digits than its factorization.

5999649994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230755784.

The product of its digits is 255091680, while the sum is 73.

The square root of 5999649994 is about 77457.4076121839. The cubic root of 5999649994 is about 1817.0852586389.

The spelling of 5999649994 in words is "five billion, nine hundred ninety-nine million, six hundred forty-nine thousand, nine hundred ninety-four".