63831213836 has 48 divisors (see below), whose sum is σ = 120751350720. Its totient is φ = 29349561600.

The previous prime is 63831213833. The next prime is 63831213877.

63831213836 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (63831213833) 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 15 ways as a sum of consecutive naturals, for example, 25020761 + ... + 25023311.

It is an arithmetic number, because the mean of its divisors is an integer number (2515653140).

Almost surely, 2^63831213836 is an apocalyptic number.

It is an amenable number.

63831213836 is a deficient number, since it is larger than the sum of its proper divisors (56920136884).

63831213836 is a wasteful number, since it uses less digits than its factorization.

63831213836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4192 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 63831213836 in words is "sixty-three billion, eight hundred thirty-one million, two hundred thirteen thousand, eight hundred thirty-six".