5706971621 has 16 divisors (see below), whose sum is σ = 6510067200. Its totient is φ = 4956135168.

The previous prime is 5706971579. The next prime is 5706971707. The reversal of 5706971621 is 1261796075.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5706971621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5706901621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031300 + ... + 1036818.

It is an arithmetic number, because the mean of its divisors is an integer number (406879200).

Almost surely, 2^5706971621 is an apocalyptic number.

It is an amenable number.

5706971621 is a deficient number, since it is larger than the sum of its proper divisors (803095579).

5706971621 is a wasteful number, since it uses less digits than its factorization.

5706971621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 5706971621 is about 75544.5009315701. The cubic root of 5706971621 is about 1787.0439669031.

The spelling of 5706971621 in words is "five billion, seven hundred six million, nine hundred seventy-one thousand, six hundred twenty-one".