4431372349 has 4 divisors (see below), whose sum is σ = 4624040736. Its totient is φ = 4238703964.

The previous prime is 4431372343. The next prime is 4431372367. The reversal of 4431372349 is 9432731344.

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 4431372349 - 2³¹ = 2283888701 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 (4431372343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96334159 + ... + 96334204.

It is an arithmetic number, because the mean of its divisors is an integer number (1156010184).

Almost surely, 2^4431372349 is an apocalyptic number.

It is an amenable number.

4431372349 is a deficient number, since it is larger than the sum of its proper divisors (192668387).

4431372349 is a wasteful number, since it uses less digits than its factorization.

4431372349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192668386.

The product of its digits is 217728, while the sum is 40.

The square root of 4431372349 is about 66568.5537547572. The cubic root of 4431372349 is about 1642.5278719728.

The spelling of 4431372349 in words is "four billion, four hundred thirty-one million, three hundred seventy-two thousand, three hundred forty-nine".