5444013021 has 8 divisors (see below), whose sum is σ = 7266117504. Its totient is φ = 3625625280.

The previous prime is 5444013011. The next prime is 5444013049. The reversal of 5444013021 is 1203104445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5444013021 - 2⁵ = 5444012989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5444012982 and 5444013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444013011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925765 + ... + 931626.

It is an arithmetic number, because the mean of its divisors is an integer number (908264688).

Almost surely, 2^5444013021 is an apocalyptic number.

It is an amenable number.

5444013021 is a deficient number, since it is larger than the sum of its proper divisors (1822104483).

5444013021 is a wasteful number, since it uses less digits than its factorization.

5444013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858371.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5444013021 is about 73783.5552206588. Note that the first 3 decimals coincide. The cubic root of 5444013021 is about 1759.1642275117.

Adding to 5444013021 its reverse (1203104445), we get a palindrome (6647117466).

The spelling of 5444013021 in words is "five billion, four hundred forty-four million, thirteen thousand, twenty-one".