633212480881 has 16 divisors (see below), whose sum is σ = 674200074240. Its totient is φ = 592642552320.

The previous prime is 633212480869. The next prime is 633212480921. The reversal of 633212480881 is 188084212336.

It is a cyclic number.

It is not a de Polignac number, because 633212480881 - 2⁷ = 633212480753 is a prime.

It is a super-2 number, since 2×633212480881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633212480851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9965845 + ... + 10029181.

It is an arithmetic number, because the mean of its divisors is an integer number (42137504640).

Almost surely, 2^633212480881 is an apocalyptic number.

It is an amenable number.

633212480881 is a deficient number, since it is larger than the sum of its proper divisors (40987593359).

633212480881 is a wasteful number, since it uses less digits than its factorization.

633212480881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66624.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 633212480881 in words is "six hundred thirty-three billion, two hundred twelve million, four hundred eighty thousand, eight hundred eighty-one".