5442031421 has 4 divisors (see below), whose sum is σ = 5442519744. Its totient is φ = 5441543100.

The previous prime is 5442031411. The next prime is 5442031451. The reversal of 5442031421 is 1241302445.

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 a de Polignac number, because none of the positive numbers 2^k-5442031421 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 (5442031411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227045 + ... + 249866.

It is an arithmetic number, because the mean of its divisors is an integer number (1360629936).

Almost surely, 2^5442031421 is an apocalyptic number.

It is an amenable number.

5442031421 is a deficient number, since it is larger than the sum of its proper divisors (488323).

5442031421 is a wasteful number, since it uses less digits than its factorization.

5442031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488322.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5442031421 is about 73770.1255319523. The cubic root of 5442031421 is about 1758.9507585833.

Adding to 5442031421 its reverse (1241302445), we get a palindrome (6683333866).

The spelling of 5442031421 in words is "five billion, four hundred forty-two million, thirty-one thousand, four hundred twenty-one".