2890895243 has 4 divisors (see below), whose sum is σ = 2891049720. Its totient is φ = 2890740768.

The previous prime is 2890895219. The next prime is 2890895263. The reversal of 2890895243 is 3425980982.

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 2890895243 - 2²⁶ = 2823786379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2890895191 and 2890895200.

It is not an unprimeable number, because it can be changed into a prime (2890895263) 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, 44558 + ... + 88131.

It is an arithmetic number, because the mean of its divisors is an integer number (722762430).

Almost surely, 2^2890895243 is an apocalyptic number.

2890895243 is a deficient number, since it is larger than the sum of its proper divisors (154477).

2890895243 is a wasteful number, since it uses less digits than its factorization.

2890895243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154476.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 2890895243 is about 53767.0460691305. The cubic root of 2890895243 is about 1424.5491945094.

The spelling of 2890895243 in words is "two billion, eight hundred ninety million, eight hundred ninety-five thousand, two hundred forty-three".