2991000046 has 4 divisors (see below), whose sum is σ = 4486500072. Its totient is φ = 1495500022.

The previous prime is 2991000011. The next prime is 2991000059. The reversal of 2991000046 is 6400001992.

It is a happy number.

2991000046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2990999981 and 2991000017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747750010 + ... + 747750013.

It is an arithmetic number, because the mean of its divisors is an integer number (1121625018).

Almost surely, 2^2991000046 is an apocalyptic number.

2991000046 is a deficient number, since it is larger than the sum of its proper divisors (1495500026).

2991000046 is a wasteful number, since it uses less digits than its factorization.

2991000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495500025.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2991000046 is about 54690.0360760532. The cubic root of 2991000046 is about 1440.8058834652.

The spelling of 2991000046 in words is "two billion, nine hundred ninety-one million, forty-six", and thus it is an aban number.