4081598754639 has 8 divisors (see below), whose sum is σ = 6219579054720. Its totient is φ = 2332342145496.

The previous prime is 4081598754601. The next prime is 4081598754641. The reversal of 4081598754639 is 9364578951804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4081598754639 - 2⁹ = 4081598754127 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081598754689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97180922709 + ... + 97180922750.

It is an arithmetic number, because the mean of its divisors is an integer number (777447381840).

Almost surely, 2^{4081598754639} is an apocalyptic number.

4081598754639 is a deficient number, since it is larger than the sum of its proper divisors (2137980300081).

4081598754639 is a wasteful number, since it uses less digits than its factorization.

4081598754639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194361845469.

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 4081598754639 in words is "four trillion, eighty-one billion, five hundred ninety-eight million, seven hundred fifty-four thousand, six hundred thirty-nine".