63831789146 has 64 divisors (see below), whose sum is σ = 100769961600. Its totient is φ = 30300441600.

The previous prime is 63831789137. The next prime is 63831789181. The reversal of 63831789146 is 64198713836.

It is a junction number, because it is equal to n+sod(n) for n = 63831789091 and 63831789100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171130616 + ... + 171130988.

It is an arithmetic number, because the mean of its divisors is an integer number (1574530650).

Almost surely, 2^63831789146 is an apocalyptic number.

63831789146 is a deficient number, since it is larger than the sum of its proper divisors (36938172454).

63831789146 is a wasteful number, since it uses less digits than its factorization.

63831789146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its digits is 5225472, while the sum is 56.

The spelling of 63831789146 in words is "sixty-three billion, eight hundred thirty-one million, seven hundred eighty-nine thousand, one hundred forty-six".