1889652514 has 4 divisors (see below), whose sum is σ = 2834478774. Its totient is φ = 944826256.

The previous prime is 1889652511. The next prime is 1889652521. The reversal of 1889652514 is 4152569881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1061651889 + 828000625 = 32583^2 + 28775^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1889652511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472413127 + ... + 472413130.

Almost surely, 2^1889652514 is an apocalyptic number.

1889652514 is a deficient number, since it is larger than the sum of its proper divisors (944826260).

1889652514 is an equidigital number, since it uses as much as digits as its factorization.

1889652514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944826259.

The product of its digits is 691200, while the sum is 49.

The square root of 1889652514 is about 43470.1335861762. The cubic root of 1889652514 is about 1236.3098133966.

The spelling of 1889652514 in words is "one billion, eight hundred eighty-nine million, six hundred fifty-two thousand, five hundred fourteen".