4221432053 has 4 divisors (see below), whose sum is σ = 4228851660. Its totient is φ = 4214012448.

The previous prime is 4221432013. The next prime is 4221432073. The reversal of 4221432053 is 3502341224.

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 1389276529 + 2832155524 = 37273^2 + 53218^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221432053 - 2²⁰ = 4220383477 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 (4221432013) 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, 3708950 + ... + 3710087.

It is an arithmetic number, because the mean of its divisors is an integer number (1057212915).

Almost surely, 2^4221432053 is an apocalyptic number.

It is an amenable number.

4221432053 is a deficient number, since it is larger than the sum of its proper divisors (7419607).

4221432053 is an equidigital number, since it uses as much as digits as its factorization.

4221432053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419606.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4221432053 is about 64972.5484570214. The cubic root of 4221432053 is about 1616.1683632391.

Adding to 4221432053 its reverse (3502341224), we get a palindrome (7723773277).

The spelling of 4221432053 in words is "four billion, two hundred twenty-one million, four hundred thirty-two thousand, fifty-three".