5706663991 has 8 divisors (see below), whose sum is σ = 6523021184. Its totient is φ = 4890586680.

The previous prime is 5706663983. The next prime is 5706664013. The reversal of 5706663991 is 1993666075.

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

It is not a de Polignac number, because 5706663991 - 2³ = 5706663983 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 (5706660991) 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, 24285 + ... + 109558.

It is an arithmetic number, because the mean of its divisors is an integer number (815377648).

Almost surely, 2^5706663991 is an apocalyptic number.

5706663991 is a deficient number, since it is larger than the sum of its proper divisors (816357193).

5706663991 is a wasteful number, since it uses less digits than its factorization.

5706663991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139941.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 5706663991 is about 75542.4648194643. The cubic root of 5706663991 is about 1787.0118565739.

The spelling of 5706663991 in words is "five billion, seven hundred six million, six hundred sixty-three thousand, nine hundred ninety-one".