2867194945 has 4 divisors (see below), whose sum is σ = 3440633940. Its totient is φ = 2293755952.

The previous prime is 2867194919. The next prime is 2867194949. The reversal of 2867194945 is 5494917682.

2867194945 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 2175662736 + 691532209 = 46644^2 + 26297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2867194945 - 2⁷ = 2867194817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2867194949) 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, 286719490 + ... + 286719499.

It is an arithmetic number, because the mean of its divisors is an integer number (860158485).

Almost surely, 2^2867194945 is an apocalyptic number.

It is an amenable number.

2867194945 is a deficient number, since it is larger than the sum of its proper divisors (573438995).

2867194945 is an equidigital number, since it uses as much as digits as its factorization.

2867194945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573438994.

The product of its digits is 4354560, while the sum is 55.

The square root of 2867194945 is about 53546.1944959677. The cubic root of 2867194945 is about 1420.6455679003.

The spelling of 2867194945 in words is "two billion, eight hundred sixty-seven million, one hundred ninety-four thousand, nine hundred forty-five".