63317590433 has 8 divisors (see below), whose sum is σ = 63500784648. Its totient is φ = 63134567424.

The previous prime is 63317590403. The next prime is 63317590447. The reversal of 63317590433 is 33409571336.

It can be written as a sum of positive squares in 4 ways, for example, as 9601648144 + 53715942289 = 97988^2 + 231767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63317590433 - 2¹² = 63317586337 is a prime.

It is a super-2 number, since 2×63317590433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63317590403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717341 + ... + 800757.

It is an arithmetic number, because the mean of its divisors is an integer number (7937598081).

Almost surely, 2^63317590433 is an apocalyptic number.

It is an amenable number.

63317590433 is a deficient number, since it is larger than the sum of its proper divisors (183194215).

63317590433 is a wasteful number, since it uses less digits than its factorization.

63317590433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85603.

The product of its (nonzero) digits is 612360, while the sum is 44.

The spelling of 63317590433 in words is "sixty-three billion, three hundred seventeen million, five hundred ninety thousand, four hundred thirty-three".