5945134221 has 18 divisors (see below), whose sum is σ = 9298802058. Its totient is φ = 3658543200.

The previous prime is 5945134087. The next prime is 5945134267. The reversal of 5945134221 is 1224315495.

5945134221 is a `hidden beast` number, since 594 + 5 + 1 + 3 + 42 + 21 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 75429225 + 5869704996 = 8685^2 + 76614^2 .

It is not a de Polignac number, because 5945134221 - 2⁹ = 5945133709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5945134271) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1952830 + ... + 1955871.

Almost surely, 2^5945134221 is an apocalyptic number.

It is an amenable number.

5945134221 is a deficient number, since it is larger than the sum of its proper divisors (3353667837).

5945134221 is a wasteful number, since it uses less digits than its factorization.

5945134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908733 (or 3908717 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5945134221 is about 77104.6964911995. The cubic root of 5945134221 is about 1811.5648606823.

The spelling of 5945134221 in words is "five billion, nine hundred forty-five million, one hundred thirty-four thousand, two hundred twenty-one".