633469681212 has 48 divisors (see below), whose sum is σ = 1484417891712. Its totient is φ = 210254437440.

The previous prime is 633469681183. The next prime is 633469681237. The reversal of 633469681212 is 212186964336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999887 + ... + 5125017.

It is an arithmetic number, because the mean of its divisors is an integer number (30925372744).

Almost surely, 2^633469681212 is an apocalyptic number.

It is an amenable number.

633469681212 is an abundant number, since it is smaller than the sum of its proper divisors (850948210500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

633469681212 is a wasteful number, since it uses less digits than its factorization.

633469681212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126938 (or 126936 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 633469681212 in words is "six hundred thirty-three billion, four hundred sixty-nine million, six hundred eighty-one thousand, two hundred twelve".