5443121401 has 4 divisors (see below), whose sum is σ = 5445131904. Its totient is φ = 5441110900.

The previous prime is 5443121399. The next prime is 5443121413. The reversal of 5443121401 is 1041213445.

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 5443121401 - 2¹ = 5443121399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5443121461) 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, 1001185 + ... + 1006606.

It is an arithmetic number, because the mean of its divisors is an integer number (1361282976).

Almost surely, 2^5443121401 is an apocalyptic number.

It is an amenable number.

5443121401 is a deficient number, since it is larger than the sum of its proper divisors (2010503).

5443121401 is a wasteful number, since it uses less digits than its factorization.

5443121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010502.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5443121401 is about 73777.5128409734. The cubic root of 5443121401 is about 1759.0681836779.

Adding to 5443121401 its reverse (1041213445), we get a palindrome (6484334846).

The spelling of 5443121401 in words is "five billion, four hundred forty-three million, one hundred twenty-one thousand, four hundred one".