2642892891 has 16 divisors (see below), whose sum is σ = 3538567200. Its totient is φ = 1754588160.

The previous prime is 2642892877. The next prime is 2642892899. The reversal of 2642892891 is 1982982462.

It is not a de Polignac number, because 2642892891 - 2⁹ = 2642892379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642892899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1268971 + ... + 1271051.

It is an arithmetic number, because the mean of its divisors is an integer number (221160450).

Almost surely, 2^2642892891 is an apocalyptic number.

2642892891 is a deficient number, since it is larger than the sum of its proper divisors (895674309).

2642892891 is a wasteful number, since it uses less digits than its factorization.

2642892891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its digits is 995328, while the sum is 51.

The square root of 2642892891 is about 51409.0740142244. The cubic root of 2642892891 is about 1382.5892875068.

The spelling of 2642892891 in words is "two billion, six hundred forty-two million, eight hundred ninety-two thousand, eight hundred ninety-one".