633485212813 has 2 divisors, whose sum is σ = 633485212814. Its totient is φ = 633485212812.

The previous prime is 633485212769. The next prime is 633485212847. The reversal of 633485212813 is 318212584336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487990264969 + 145494947844 = 698563^2 + 381438^2 .

It is a cyclic number.

It is not a de Polignac number, because 633485212813 - 2²⁵ = 633451658381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633485212883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316742606406 + 316742606407.

It is an arithmetic number, because the mean of its divisors is an integer number (316742606407).

Almost surely, 2^633485212813 is an apocalyptic number.

It is an amenable number.

633485212813 is a deficient number, since it is larger than the sum of its proper divisors (1).

633485212813 is an equidigital number, since it uses as much as digits as its factorization.

633485212813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The spelling of 633485212813 in words is "six hundred thirty-three billion, four hundred eighty-five million, two hundred twelve thousand, eight hundred thirteen".