5661235249 has 8 divisors (see below), whose sum is σ = 5909651712. Its totient is φ = 5413008480.

The previous prime is 5661235241. The next prime is 5661235271. The reversal of 5661235249 is 9425321665.

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 5661235249 - 2³ = 5661235241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5661235241) 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, 15357 + ... + 107509.

It is an arithmetic number, because the mean of its divisors is an integer number (738706464).

Almost surely, 2^5661235249 is an apocalyptic number.

It is an amenable number.

5661235249 is a deficient number, since it is larger than the sum of its proper divisors (248416463).

5661235249 is a wasteful number, since it uses less digits than its factorization.

5661235249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94847.

The product of its digits is 388800, while the sum is 43.

The square root of 5661235249 is about 75241.1805396486. The cubic root of 5661235249 is about 1782.2572937125.

The spelling of 5661235249 in words is "five billion, six hundred sixty-one million, two hundred thirty-five thousand, two hundred forty-nine".