633212316377 has 4 divisors (see below), whose sum is σ = 638198240256. Its totient is φ = 628226392500.

The previous prime is 633212316367. The next prime is 633212316391. The reversal of 633212316377 is 773613212336.

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 not a de Polignac number, because 633212316377 - 2¹² = 633212312281 is a prime.

It is a super-2 number, since 2×633212316377² (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 (633212316307) 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, 2492961749 + ... + 2492962002.

It is an arithmetic number, because the mean of its divisors is an integer number (159549560064).

Almost surely, 2^633212316377 is an apocalyptic number.

It is an amenable number.

633212316377 is a deficient number, since it is larger than the sum of its proper divisors (4985923879).

633212316377 is a wasteful number, since it uses less digits than its factorization.

633212316377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985923878.

The product of its digits is 571536, while the sum is 44.

The spelling of 633212316377 in words is "six hundred thirty-three billion, two hundred twelve million, three hundred sixteen thousand, three hundred seventy-seven".