2061132889 has 4 divisors (see below), whose sum is σ = 2109066256. Its totient is φ = 2013199524.

The previous prime is 2061132869. The next prime is 2061132917. The reversal of 2061132889 is 9882311602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9882311602 = 2 ⋅4941155801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2061132889 is a prime.

It is a super-2 number, since 2×2061132889² = 8496537572234972642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061132809) 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 3 ways as a sum of consecutive naturals, for example, 23966619 + ... + 23966704.

It is an arithmetic number, because the mean of its divisors is an integer number (527266564).

Almost surely, 2^2061132889 is an apocalyptic number.

It is an amenable number.

2061132889 is a deficient number, since it is larger than the sum of its proper divisors (47933367).

2061132889 is an equidigital number, since it uses as much as digits as its factorization.

2061132889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47933366.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2061132889 is about 45399.7014197230. The cubic root of 2061132889 is about 1272.6295341238.

The spelling of 2061132889 in words is "two billion, sixty-one million, one hundred thirty-two thousand, eight hundred eighty-nine".