2642835189 has 8 divisors (see below), whose sum is σ = 3537179712. Its totient is φ = 1755190400.

The previous prime is 2642835137. The next prime is 2642835197. The reversal of 2642835189 is 9815382462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642835189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642835109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674012 + ... + 1675589.

It is an arithmetic number, because the mean of its divisors is an integer number (442147464).

Almost surely, 2^2642835189 is an apocalyptic number.

It is an amenable number.

2642835189 is a deficient number, since it is larger than the sum of its proper divisors (894344523).

2642835189 is a wasteful number, since it uses less digits than its factorization.

2642835189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349867.

The product of its digits is 829440, while the sum is 48.

The square root of 2642835189 is about 51408.5128067327. The cubic root of 2642835189 is about 1382.5792254585.

The spelling of 2642835189 in words is "two billion, six hundred forty-two million, eight hundred thirty-five thousand, one hundred eighty-nine".