633483338381 has 4 divisors (see below), whose sum is σ = 633770374272. Its totient is φ = 633196302492.

The previous prime is 633483338329. The next prime is 633483338429. The reversal of 633483338381 is 183833384336.

633483338381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633483338381 is a prime.

It is a super-2 number, since 2×633483338381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633483328381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143514635 + ... + 143519048.

It is an arithmetic number, because the mean of its divisors is an integer number (158442593568).

Almost surely, 2^633483338381 is an apocalyptic number.

It is an amenable number.

633483338381 is a deficient number, since it is larger than the sum of its proper divisors (287035891).

633483338381 is a wasteful number, since it uses less digits than its factorization.

633483338381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287035890.

The product of its digits is 8957952, while the sum is 53.

The spelling of 633483338381 in words is "six hundred thirty-three billion, four hundred eighty-three million, three hundred thirty-eight thousand, three hundred eighty-one".