864649600133 has 4 divisors (see below), whose sum is σ = 943254109248. Its totient is φ = 786045091020.

The previous prime is 864649600123. The next prime is 864649600223. The reversal of 864649600133 is 331006946468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 864649600133 - 2³⁰ = 863575858309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864649600123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39302254541 + ... + 39302254562.

It is an arithmetic number, because the mean of its divisors is an integer number (235813527312).

Almost surely, 2^864649600133 is an apocalyptic number.

It is an amenable number.

864649600133 is a deficient number, since it is larger than the sum of its proper divisors (78604509115).

864649600133 is a wasteful number, since it uses less digits than its factorization.

864649600133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78604509114.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 864649600133 in words is "eight hundred sixty-four billion, six hundred forty-nine million, six hundred thousand, one hundred thirty-three".