864855002041 has 8 divisors (see below), whose sum is σ = 870211162368. Its totient is φ = 859514760000.

The previous prime is 864855002003. The next prime is 864855002051. The reversal of 864855002041 is 140200558468.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864855002041 is a prime.

It is a super-2 number, since 2×864855002041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864855002051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3870565 + ... + 4087906.

It is an arithmetic number, because the mean of its divisors is an integer number (108776395296).

Almost surely, 2^864855002041 is an apocalyptic number.

It is an amenable number.

864855002041 is a deficient number, since it is larger than the sum of its proper divisors (5356160327).

864855002041 is a wasteful number, since it uses less digits than its factorization.

864855002041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959143.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 864855002041 in words is "eight hundred sixty-four billion, eight hundred fifty-five million, two thousand, forty-one".