5661032849 has 4 divisors (see below), whose sum is σ = 5907164736. Its totient is φ = 5414900964.

The previous prime is 5661032807. The next prime is 5661032851. The reversal of 5661032849 is 9482301665.

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 5661032849 - 2²⁴ = 5644255633 is a prime.

It is a super-3 number, since 3×5661032849³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5661032149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123065909 + ... + 123065954.

It is an arithmetic number, because the mean of its divisors is an integer number (1476791184).

Almost surely, 2^5661032849 is an apocalyptic number.

It is an amenable number.

5661032849 is a deficient number, since it is larger than the sum of its proper divisors (246131887).

5661032849 is a wasteful number, since it uses less digits than its factorization.

5661032849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246131886.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 5661032849 is about 75239.8355194906. The cubic root of 5661032849 is about 1782.2360537558.

The spelling of 5661032849 in words is "five billion, six hundred sixty-one million, thirty-two thousand, eight hundred forty-nine".