4431379005 has 12 divisors (see below), whose sum is σ = 7681057020. Its totient is φ = 2363402112.

The previous prime is 4431379003. The next prime is 4431379013. The reversal of 4431379005 is 5009731344.

It can be written as a sum of positive squares in 2 ways, for example, as 1893033081 + 2538345924 = 43509^2 + 50382^2 .

It is not a de Polignac number, because 4431379005 - 2¹ = 4431379003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431379003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49237500 + ... + 49237589.

It is an arithmetic number, because the mean of its divisors is an integer number (640088085).

Almost surely, 2^4431379005 is an apocalyptic number.

4431379005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4431379005 is a deficient number, since it is larger than the sum of its proper divisors (3249678015).

4431379005 is a wasteful number, since it uses less digits than its factorization.

4431379005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98475100 (or 98475097 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 4431379005 is about 66568.6037483137. The cubic root of 4431379005 is about 1642.5286943410.

The spelling of 4431379005 in words is "four billion, four hundred thirty-one million, three hundred seventy-nine thousand, five".