5064126821 has 32 divisors (see below), whose sum is σ = 6088255488. Its totient is φ = 4164526080.

The previous prime is 5064126779. The next prime is 5064126833. The reversal of 5064126821 is 1286214605.

It is not a de Polignac number, because 5064126821 - 2¹⁰ = 5064125797 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 (5064126721) 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 31 ways as a sum of consecutive naturals, for example, 487916 + ... + 498186.

It is an arithmetic number, because the mean of its divisors is an integer number (190257984).

Almost surely, 2^5064126821 is an apocalyptic number.

It is an amenable number.

5064126821 is a deficient number, since it is larger than the sum of its proper divisors (1024128667).

5064126821 is a wasteful number, since it uses less digits than its factorization.

5064126821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 5064126821 is about 71162.6785681933. The cubic root of 5064126821 is about 1717.2552695810.

The spelling of 5064126821 in words is "five billion, sixty-four million, one hundred twenty-six thousand, eight hundred twenty-one".