810648963331 has 4 divisors (see below), whose sum is σ = 816017499664. Its totient is φ = 805280427000.

The previous prime is 810648963269. The next prime is 810648963337. The reversal of 810648963331 is 133369846018.

It is a happy number.

810648963331 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 is a cyclic number.

It is not a de Polignac number, because 810648963331 - 2¹⁵ = 810648930563 is a prime.

It is a super-2 number, since 2×810648963331² (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 (810648963337) 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, 2684267940 + ... + 2684268241.

It is an arithmetic number, because the mean of its divisors is an integer number (204004374916).

Almost surely, 2^810648963331 is an apocalyptic number.

810648963331 is a deficient number, since it is larger than the sum of its proper divisors (5368536333).

810648963331 is a wasteful number, since it uses less digits than its factorization.

810648963331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368536332.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 810648963331 in words is "eight hundred ten billion, six hundred forty-eight million, nine hundred sixty-three thousand, three hundred thirty-one".