5986512921 has 4 divisors (see below), whose sum is σ = 7982017232. Its totient is φ = 3991008612.

The previous prime is 5986512859. The next prime is 5986512929. The reversal of 5986512921 is 1292156895.

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 de Polignac number, because none of the positive numbers 2^k-5986512921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5986512929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 997752151 + ... + 997752156.

It is an arithmetic number, because the mean of its divisors is an integer number (1995504308).

Almost surely, 2^5986512921 is an apocalyptic number.

It is an amenable number.

5986512921 is a deficient number, since it is larger than the sum of its proper divisors (1995504311).

5986512921 is a wasteful number, since it uses less digits than its factorization.

5986512921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995504310.

The product of its digits is 388800, while the sum is 48.

The square root of 5986512921 is about 77372.5592248311. The cubic root of 5986512921 is about 1815.7580353267.

The spelling of 5986512921 in words is "five billion, nine hundred eighty-six million, five hundred twelve thousand, nine hundred twenty-one".