5420535421 has 8 divisors (see below), whose sum is σ = 6345993024. Its totient is φ = 4532851680.

The previous prime is 5420535397. The next prime is 5420535431. The reversal of 5420535421 is 1245350245.

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

It is not a de Polignac number, because 5420535421 - 2⁵ = 5420535389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420535431) 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, 9443155 + ... + 9443728.

It is an arithmetic number, because the mean of its divisors is an integer number (793249128).

Almost surely, 2^5420535421 is an apocalyptic number.

It is an amenable number.

5420535421 is a deficient number, since it is larger than the sum of its proper divisors (925457603).

5420535421 is a wasteful number, since it uses less digits than its factorization.

5420535421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18886931.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 5420535421 is about 73624.2855381293. The cubic root of 5420535421 is about 1756.6317533101.

Adding to 5420535421 its reverse (1245350245), we get a palindrome (6665885666).

The spelling of 5420535421 in words is "five billion, four hundred twenty million, five hundred thirty-five thousand, four hundred twenty-one".