633668013341 has 4 divisors (see below), whose sum is σ = 691274196384. Its totient is φ = 576061830300.

The previous prime is 633668013313. The next prime is 633668013371. The reversal of 633668013341 is 143310866336.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-633668013341 is a prime.

It is a super-2 number, since 2×633668013341² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 633668013292 and 633668013301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633668013371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28803091505 + ... + 28803091526.

It is an arithmetic number, because the mean of its divisors is an integer number (172818549096).

Almost surely, 2^633668013341 is an apocalyptic number.

It is an amenable number.

633668013341 is a deficient number, since it is larger than the sum of its proper divisors (57606183043).

633668013341 is a wasteful number, since it uses less digits than its factorization.

633668013341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57606183042.

The product of its (nonzero) digits is 559872, while the sum is 44.

Adding to 633668013341 its reverse (143310866336), we get a palindrome (776978879677).

The spelling of 633668013341 in words is "six hundred thirty-three billion, six hundred sixty-eight million, thirteen thousand, three hundred forty-one".