863714093521 has 4 divisors (see below), whose sum is σ = 869215457332. Its totient is φ = 858212729712.

The previous prime is 863714093497. The next prime is 863714093531. The reversal of 863714093521 is 125390417368.

863714093521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 350506625296 + 513207468225 = 592036^2 + 716385^2 .

It is a cyclic number.

It is not a de Polignac number, because 863714093521 - 2⁹ = 863714093009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (863714093531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750681670 + ... + 2750681983.

It is an arithmetic number, because the mean of its divisors is an integer number (217303864333).

It is a 1-persistent number, because it is pandigital, but 2⋅863714093521 = 1727428187042 is not.

Almost surely, 2^863714093521 is an apocalyptic number.

It is an amenable number.

863714093521 is a deficient number, since it is larger than the sum of its proper divisors (5501363811).

863714093521 is a wasteful number, since it uses less digits than its factorization.

863714093521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501363810.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 863714093521 in words is "eight hundred sixty-three billion, seven hundred fourteen million, ninety-three thousand, five hundred twenty-one".