5806105921 has 16 divisors (see below), whose sum is σ = 7488397440. Its totient is φ = 4368228480.

The previous prime is 5806105919. The next prime is 5806105967. The reversal of 5806105921 is 1295016085.

It is not a de Polignac number, because 5806105921 - 2¹ = 5806105919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5806105121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297836 + ... + 1302301.

It is an arithmetic number, because the mean of its divisors is an integer number (468024840).

Almost surely, 2^5806105921 is an apocalyptic number.

It is an amenable number.

5806105921 is a deficient number, since it is larger than the sum of its proper divisors (1682291519).

5806105921 is a wasteful number, since it uses less digits than its factorization.

5806105921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600184.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 5806105921 is about 76197.8078490451. The cubic root of 5806105921 is about 1797.3320476289.

The spelling of 5806105921 in words is "five billion, eight hundred six million, one hundred five thousand, nine hundred twenty-one".