5571872389 has 4 divisors (see below), whose sum is σ = 5751610240. Its totient is φ = 5392134540.

The previous prime is 5571872347. The next prime is 5571872393. The reversal of 5571872389 is 9832781755.

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: 9832781755 = 5 ⋅1966556351.

It is a cyclic number.

It is not a de Polignac number, because 5571872389 - 2⁷ = 5571872261 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 (5571870389) 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, 89868879 + ... + 89868940.

It is an arithmetic number, because the mean of its divisors is an integer number (1437902560).

Almost surely, 2^5571872389 is an apocalyptic number.

It is an amenable number.

5571872389 is a deficient number, since it is larger than the sum of its proper divisors (179737851).

5571872389 is a wasteful number, since it uses less digits than its factorization.

5571872389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179737850.

The product of its digits is 4233600, while the sum is 55.

The square root of 5571872389 is about 74644.9756447144. The cubic root of 5571872389 is about 1772.8298428297.

The spelling of 5571872389 in words is "five billion, five hundred seventy-one million, eight hundred seventy-two thousand, three hundred eighty-nine".