2894994133 has 4 divisors (see below), whose sum is σ = 2965603788. Its totient is φ = 2824384480.

The previous prime is 2894994131. The next prime is 2894994139. The reversal of 2894994133 is 3314994982.

It is a happy number.

2894994133 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 can be written as a sum of positive squares in 2 ways, for example, as 1394051569 + 1500942564 = 37337^2 + 38742^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894994133 - 2¹ = 2894994131 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 (2894994131) 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, 35304766 + ... + 35304847.

It is an arithmetic number, because the mean of its divisors is an integer number (741400947).

Almost surely, 2^2894994133 is an apocalyptic number.

It is an amenable number.

2894994133 is a deficient number, since it is larger than the sum of its proper divisors (70609655).

2894994133 is an equidigital number, since it uses as much as digits as its factorization.

2894994133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70609654.

The product of its digits is 1679616, while the sum is 52.

The square root of 2894994133 is about 53805.1496884824. The cubic root of 2894994133 is about 1425.2221478640. Note that the first 3 decimals are identical.

The spelling of 2894994133 in words is "two billion, eight hundred ninety-four million, nine hundred ninety-four thousand, one hundred thirty-three".