1882631089 has 4 divisors (see below), whose sum is σ = 1884476020. Its totient is φ = 1880786160.

The previous prime is 1882631087. The next prime is 1882631099. The reversal of 1882631089 is 9801362881.

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 656230689 + 1226400400 = 25617^2 + 35020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1882631089 - 2¹ = 1882631087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1882631087) 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, 920934 + ... + 922975.

It is an arithmetic number, because the mean of its divisors is an integer number (471119005).

Almost surely, 2^1882631089 is an apocalyptic number.

It is an amenable number.

1882631089 is a deficient number, since it is larger than the sum of its proper divisors (1844931).

1882631089 is a wasteful number, since it uses less digits than its factorization.

1882631089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844930.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 1882631089 is about 43389.2969406051. The cubic root of 1882631089 is about 1234.7766513550.

The spelling of 1882631089 in words is "one billion, eight hundred eighty-two million, six hundred thirty-one thousand, eighty-nine".