5581691039 has 8 divisors (see below), whose sum is σ = 5910777648. Its totient is φ = 5252688000.

The previous prime is 5581690997. The next prime is 5581691041. The reversal of 5581691039 is 9301961855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5581691039 - 2¹⁶ = 5581625503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5581690984 and 5581691002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581690039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162884 + ... + 194150.

It is an arithmetic number, because the mean of its divisors is an integer number (738847206).

Almost surely, 2^5581691039 is an apocalyptic number.

5581691039 is a deficient number, since it is larger than the sum of its proper divisors (329086609).

5581691039 is a wasteful number, since it uses less digits than its factorization.

5581691039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41785.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 5581691039 is about 74710.7156905889. The cubic root of 5581691039 is about 1773.8705810158.

The spelling of 5581691039 in words is "five billion, five hundred eighty-one million, six hundred ninety-one thousand, thirty-nine".