831613963 has 4 divisors (see below), whose sum is σ = 831675600. Its totient is φ = 831552328.

The previous prime is 831613949. The next prime is 831613969. The reversal of 831613963 is 369316138.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 369316138 = 2 ⋅184658069.

It is a cyclic number.

It is not a de Polignac number, because 831613963 - 2¹⁷ = 831482891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (831613969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895 + ... + 40792.

It is an arithmetic number, because the mean of its divisors is an integer number (207918900).

Almost surely, 2^831613963 is an apocalyptic number.

831613963 is a deficient number, since it is larger than the sum of its proper divisors (61637).

831613963 is a wasteful number, since it uses less digits than its factorization.

831613963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61636.

The product of its digits is 69984, while the sum is 40.

The square root of 831613963 is about 28837.7177148262. The cubic root of 831613963 is about 940.3883874902.

The spelling of 831613963 in words is "eight hundred thirty-one million, six hundred thirteen thousand, nine hundred sixty-three".