5276637421 has 8 divisors (see below), whose sum is σ = 6059296800. Its totient is φ = 4544472240.

The previous prime is 5276637409. The next prime is 5276637439. The reversal of 5276637421 is 1247366725.

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

It is not a de Polignac number, because 5276637421 - 2⁹ = 5276636909 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 (5276637481) 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, 12623326 + ... + 12623743.

It is an arithmetic number, because the mean of its divisors is an integer number (757412100).

Almost surely, 2^5276637421 is an apocalyptic number.

It is an amenable number.

5276637421 is a deficient number, since it is larger than the sum of its proper divisors (782659379).

5276637421 is a wasteful number, since it uses less digits than its factorization.

5276637421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25247099.

The product of its digits is 423360, while the sum is 43.

The square root of 5276637421 is about 72640.4668280704. The cubic root of 5276637421 is about 1740.9478058347.

The spelling of 5276637421 in words is "five billion, two hundred seventy-six million, six hundred thirty-seven thousand, four hundred twenty-one".