5639081001 has 32 divisors (see below), whose sum is σ = 7981545600. Its totient is φ = 3535096320.

The previous prime is 5639080991. The next prime is 5639081039. The reversal of 5639081001 is 1001809365.

It is not a de Polignac number, because 5639081001 - 2⁷ = 5639080873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5639081081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956090 + ... + 2957996.

It is an arithmetic number, because the mean of its divisors is an integer number (249423300).

Almost surely, 2^5639081001 is an apocalyptic number.

It is an amenable number.

5639081001 is a deficient number, since it is larger than the sum of its proper divisors (2342464599).

5639081001 is a wasteful number, since it uses less digits than its factorization.

5639081001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 5639081001 is about 75093.8146653904. The cubic root of 5639081001 is about 1779.9294043668.

The spelling of 5639081001 in words is "five billion, six hundred thirty-nine million, eighty-one thousand, one".