5819345989 has 4 divisors (see below), whose sum is σ = 6072361056. Its totient is φ = 5566330924.

The previous prime is 5819345933. The next prime is 5819345999. The reversal of 5819345989 is 9895439185.

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: 9895439185 = 5 ⋅1979087837.

It is not a de Polignac number, because 5819345989 - 2²⁷ = 5685128261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5819345999) 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, 126507499 + ... + 126507544.

It is an arithmetic number, because the mean of its divisors is an integer number (1518090264).

Almost surely, 2^5819345989 is an apocalyptic number.

It is an amenable number.

5819345989 is a deficient number, since it is larger than the sum of its proper divisors (253015067).

5819345989 is a wasteful number, since it uses less digits than its factorization.

5819345989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253015066.

The product of its digits is 13996800, while the sum is 61.

The square root of 5819345989 is about 76284.6379620432. The cubic root of 5819345989 is about 1798.6972043125.

The spelling of 5819345989 in words is "five billion, eight hundred nineteen million, three hundred forty-five thousand, nine hundred eighty-nine".