5581842369 has 4 divisors (see below), whose sum is σ = 7442456496. Its totient is φ = 3721228244.

The previous prime is 5581842353. The next prime is 5581842391. The reversal of 5581842369 is 9632481855.

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 5581842369 - 2⁴ = 5581842353 is a prime.

It is a super-2 number, since 2×5581842369² = 62313928464727064322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5581842349) 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, 930307059 + ... + 930307064.

It is an arithmetic number, because the mean of its divisors is an integer number (1860614124).

Almost surely, 2^5581842369 is an apocalyptic number.

It is an amenable number.

5581842369 is a deficient number, since it is larger than the sum of its proper divisors (1860614127).

5581842369 is a wasteful number, since it uses less digits than its factorization.

5581842369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860614126.

The product of its digits is 2073600, while the sum is 51.

The square root of 5581842369 is about 74711.7284567825. The cubic root of 5581842369 is about 1773.8866118451.

The spelling of 5581842369 in words is "five billion, five hundred eighty-one million, eight hundred forty-two thousand, three hundred sixty-nine".