633256047497 has 2 divisors, whose sum is σ = 633256047498. Its totient is φ = 633256047496.

The previous prime is 633256047493. The next prime is 633256047553. The reversal of 633256047497 is 794740652336.

It is an a-pointer prime, because the next prime (633256047553) can be obtained adding 633256047497 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630516990601 + 2739056896 = 794051^2 + 52336^2 .

It is a cyclic number.

It is not a de Polignac number, because 633256047497 - 2² = 633256047493 is a prime.

It is not a weakly prime, because it can be changed into another prime (633256047493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316628023748 + 316628023749.

It is an arithmetic number, because the mean of its divisors is an integer number (316628023749).

Almost surely, 2^633256047497 is an apocalyptic number.

It is an amenable number.

633256047497 is a deficient number, since it is larger than the sum of its proper divisors (1).

633256047497 is an equidigital number, since it uses as much as digits as its factorization.

633256047497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 56.

The spelling of 633256047497 in words is "six hundred thirty-three billion, two hundred fifty-six million, forty-seven thousand, four hundred ninety-seven".