5134444021 has 4 divisors (see below), whose sum is σ = 5867936032. Its totient is φ = 4400952012.

The previous prime is 5134443971. The next prime is 5134444039. The reversal of 5134444021 is 1204444315.

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 cyclic number.

It is not a de Polignac number, because 5134444021 - 2²⁷ = 5000226293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5134444321) 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, 366745995 + ... + 366746008.

It is an arithmetic number, because the mean of its divisors is an integer number (1466984008).

Almost surely, 2^5134444021 is an apocalyptic number.

It is an amenable number.

5134444021 is a deficient number, since it is larger than the sum of its proper divisors (733492011).

5134444021 is an equidigital number, since it uses as much as digits as its factorization.

5134444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733492010.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 5134444021 is about 71655.0348614806. The cubic root of 5134444021 is about 1725.1669959170.

Adding to 5134444021 its reverse (1204444315), we get a palindrome (6338888336).

The spelling of 5134444021 in words is "five billion, one hundred thirty-four million, four hundred forty-four thousand, twenty-one".