5043221693 has 4 divisors (see below), whose sum is σ = 5179525020. Its totient is φ = 4906918368.

The previous prime is 5043221657. The next prime is 5043221741. The reversal of 5043221693 is 3961223405.

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 4188419524 + 854802169 = 64718^2 + 29237^2 .

It is a cyclic number.

It is not a de Polignac number, because 5043221693 - 2⁶ = 5043221629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5043221893) 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, 68151608 + ... + 68151681.

It is an arithmetic number, because the mean of its divisors is an integer number (1294881255).

Almost surely, 2^5043221693 is an apocalyptic number.

It is an amenable number.

5043221693 is a deficient number, since it is larger than the sum of its proper divisors (136303327).

5043221693 is a wasteful number, since it uses less digits than its factorization.

5043221693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136303326.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 5043221693 is about 71015.6440018676. The cubic root of 5043221693 is about 1714.8890206896.

The spelling of 5043221693 in words is "five billion, forty-three million, two hundred twenty-one thousand, six hundred ninety-three".