434440443331 has 4 divisors (see below), whose sum is σ = 435557257200. Its totient is φ = 433323629464.

The previous prime is 434440443193. The next prime is 434440443343. The reversal of 434440443331 is 133344044434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434440443331 - 2¹¹ = 434440441283 is a prime.

It is a super-2 number, since 2×434440443331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434440443361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558406351 + ... + 558407128.

It is an arithmetic number, because the mean of its divisors is an integer number (108889314300).

Almost surely, 2^434440443331 is an apocalyptic number.

434440443331 is a deficient number, since it is larger than the sum of its proper divisors (1116813869).

434440443331 is a wasteful number, since it uses less digits than its factorization.

434440443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116813868.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 434440443331 its reverse (133344044434), we get a palindrome (567784487765).

The spelling of 434440443331 in words is "four hundred thirty-four billion, four hundred forty million, four hundred forty-three thousand, three hundred thirty-one".