1889483137 has 4 divisors (see below), whose sum is σ = 1889583280. Its totient is φ = 1889382996.

The previous prime is 1889483129. The next prime is 1889483159. The reversal of 1889483137 is 7313849881.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1889483137 - 2³ = 1889483129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1889483117) 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, 12243 + ... + 62680.

It is an arithmetic number, because the mean of its divisors is an integer number (472395820).

Almost surely, 2^1889483137 is an apocalyptic number.

It is an amenable number.

1889483137 is a deficient number, since it is larger than the sum of its proper divisors (100143).

1889483137 is an equidigital number, since it uses as much as digits as its factorization.

1889483137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100142.

The product of its digits is 1161216, while the sum is 52.

The square root of 1889483137 is about 43468.1853428459. The cubic root of 1889483137 is about 1236.2728738531.

The spelling of 1889483137 in words is "one billion, eight hundred eighty-nine million, four hundred eighty-three thousand, one hundred thirty-seven".