5605035421 has 4 divisors (see below), whose sum is σ = 5741743644. Its totient is φ = 5468327200.

The previous prime is 5605035389. The next prime is 5605035437. The reversal of 5605035421 is 1245305065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1519908196 + 4085127225 = 38986^2 + 63915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5605035421 - 2⁵ = 5605035389 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 (5605035721) 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, 68354050 + ... + 68354131.

It is an arithmetic number, because the mean of its divisors is an integer number (1435435911).

Almost surely, 2^5605035421 is an apocalyptic number.

It is an amenable number.

5605035421 is a deficient number, since it is larger than the sum of its proper divisors (136708223).

5605035421 is a wasteful number, since it uses less digits than its factorization.

5605035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136708222.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5605035421 is about 74866.7844975327. The cubic root of 5605035421 is about 1776.3401024201.

The spelling of 5605035421 in words is "five billion, six hundred five million, thirty-five thousand, four hundred twenty-one".