5441213521 has 8 divisors (see below), whose sum is σ = 5731146080. Its totient is φ = 5151636288.

The previous prime is 5441213467. The next prime is 5441213543. The reversal of 5441213521 is 1253121445.

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

It is not a de Polignac number, because 5441213521 - 2⁹ = 5441213009 is a prime.

It is a super-2 number, since 2×5441213521² = 59213609162226434882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5441213521.

It is not an unprimeable number, because it can be changed into a prime (5441213551) 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, 57096 + ... + 118921.

It is an arithmetic number, because the mean of its divisors is an integer number (716393260).

Almost surely, 2^5441213521 is an apocalyptic number.

It is an amenable number.

5441213521 is a deficient number, since it is larger than the sum of its proper divisors (289932559).

5441213521 is a wasteful number, since it uses less digits than its factorization.

5441213521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177663.

The product of its digits is 4800, while the sum is 28.

The square root of 5441213521 is about 73764.5817516781. The cubic root of 5441213521 is about 1758.8626347565.

Adding to 5441213521 its reverse (1253121445), we get a palindrome (6694334966).

The spelling of 5441213521 in words is "five billion, four hundred forty-one million, two hundred thirteen thousand, five hundred twenty-one".