5356420421 has 4 divisors (see below), whose sum is σ = 5843367744. Its totient is φ = 4869473100.

The previous prime is 5356420393. The next prime is 5356420429. The reversal of 5356420421 is 1240246535.

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 5356420421 - 2⁶ = 5356420357 is a prime.

It is a super-3 number, since 3×5356420421³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5356420429) 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, 243473645 + ... + 243473666.

It is an arithmetic number, because the mean of its divisors is an integer number (1460841936).

Almost surely, 2^5356420421 is an apocalyptic number.

It is an amenable number.

5356420421 is a deficient number, since it is larger than the sum of its proper divisors (486947323).

5356420421 is a wasteful number, since it uses less digits than its factorization.

5356420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486947322.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 5356420421 is about 73187.5701263541. The cubic root of 5356420421 is about 1749.6783540559.

Adding to 5356420421 its reverse (1240246535), we get a palindrome (6596666956).

The spelling of 5356420421 in words is "five billion, three hundred fifty-six million, four hundred twenty thousand, four hundred twenty-one".