63396693369 has 27 divisors (see below), whose sum is σ = 97296217837. Its totient is φ = 39770260224.

The previous prime is 63396693323. The next prime is 63396693383. The reversal of 63396693369 is 96339669336.

The square root of 63396693369 is 251787.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3293267769 + 60103425600 = 57387^2 + 245160^2 .

It is not a de Polignac number, because 63396693369 - 2¹⁵ = 63396660601 is a prime.

It is a super-2 number, since 2×63396693369² (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 (63396693769) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12838669 + ... + 12843605.

Almost surely, 2^63396693369 is an apocalyptic number.

63396693369 is the 251787-th square number.

63396693369 is the 125894-th centered octagonal number.

It is an amenable number.

63396693369 is a deficient number, since it is larger than the sum of its proper divisors (33899524468).

63396693369 is an frugal number, since it uses more digits than its factorization.

63396693369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914 (or 4957 counting only the distinct ones).

The product of its digits is 76527504, while the sum is 63.

The spelling of 63396693369 in words is "sixty-three billion, three hundred ninety-six million, six hundred ninety-three thousand, three hundred sixty-nine".