5143661489 has 4 divisors (see below), whose sum is σ = 5220432624. Its totient is φ = 5066890356.

The previous prime is 5143661443. The next prime is 5143661503. The reversal of 5143661489 is 9841663415.

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.

It is a cyclic number.

It is not a de Polignac number, because 5143661489 - 2⁸ = 5143661233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143661989) 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, 38385467 + ... + 38385600.

It is an arithmetic number, because the mean of its divisors is an integer number (1305108156).

Almost surely, 2^5143661489 is an apocalyptic number.

It is an amenable number.

5143661489 is a deficient number, since it is larger than the sum of its proper divisors (76771135).

5143661489 is an equidigital number, since it uses as much as digits as its factorization.

5143661489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76771134.

The product of its digits is 622080, while the sum is 47.

The square root of 5143661489 is about 71719.3243763492. The cubic root of 5143661489 is about 1726.1987314737.

The spelling of 5143661489 in words is "five billion, one hundred forty-three million, six hundred sixty-one thousand, four hundred eighty-nine".