4431212141 has 4 divisors (see below), whose sum is σ = 4431640512. Its totient is φ = 4430783772.

The previous prime is 4431212119. The next prime is 4431212143. The reversal of 4431212141 is 1412121344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4431212141 - 2⁶ = 4431212077 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 (4431212143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198275 + ... + 219488.

It is an arithmetic number, because the mean of its divisors is an integer number (1107910128).

Almost surely, 2^4431212141 is an apocalyptic number.

It is an amenable number.

4431212141 is a deficient number, since it is larger than the sum of its proper divisors (428371).

4431212141 is a wasteful number, since it uses less digits than its factorization.

4431212141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428370.

The product of its digits is 768, while the sum is 23.

The square root of 4431212141 is about 66567.3504129464. The cubic root of 4431212141 is about 1642.5080775573.

Adding to 4431212141 its reverse (1412121344), we get a palindrome (5843333485).

The spelling of 4431212141 in words is "four billion, four hundred thirty-one million, two hundred twelve thousand, one hundred forty-one".