5423721459 has 8 divisors (see below), whose sum is σ = 7787907792. Its totient is φ = 3337674720.

The previous prime is 5423721439. The next prime is 5423721461. The reversal of 5423721459 is 9541273245.

It is a happy number.

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

It is not a de Polignac number, because 5423721459 - 2⁵ = 5423721427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5423721459.

It is not an unprimeable number, because it can be changed into a prime (5423721439) 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 7 ways as a sum of consecutive naturals, for example, 69534852 + ... + 69534929.

It is an arithmetic number, because the mean of its divisors is an integer number (973488474).

Almost surely, 2^5423721459 is an apocalyptic number.

5423721459 is a deficient number, since it is larger than the sum of its proper divisors (2364186333).

5423721459 is a wasteful number, since it uses less digits than its factorization.

5423721459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139069797.

The product of its digits is 302400, while the sum is 42.

The square root of 5423721459 is about 73645.9194999967. The cubic root of 5423721459 is about 1756.9758521192.

The spelling of 5423721459 in words is "five billion, four hundred twenty-three million, seven hundred twenty-one thousand, four hundred fifty-nine".