4139045864 has 16 divisors (see below), whose sum is σ = 7767044100. Its totient is φ = 2067834112.

The previous prime is 4139045839. The next prime is 4139045881. The reversal of 4139045864 is 4685409314.

It can be written as a sum of positive squares in 2 ways, for example, as 2795236900 + 1343808964 = 52870^2 + 36658^2 .

It is a super-3 number, since 3×4139045864³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

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, 200657 + ... + 220320.

Almost surely, 2^4139045864 is an apocalyptic number.

It is an amenable number.

4139045864 is a deficient number, since it is larger than the sum of its proper divisors (3627998236).

4139045864 is a wasteful number, since it uses less digits than its factorization.

4139045864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422212 (or 422208 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 4139045864 is about 64335.4168712693. The cubic root of 4139045864 is about 1605.5854095202.

The spelling of 4139045864 in words is "four billion, one hundred thirty-nine million, forty-five thousand, eight hundred sixty-four".