66463343312049 has 12 divisors (see below), whose sum is σ = 96043097381712. Its totient is φ = 44290207675800.

The previous prime is 66463343312033. The next prime is 66463343312059. The reversal of 66463343312049 is 94021334336466.

66463343312049 is a `hidden beast` number, since 6 + 6 + 4 + 63 + 343 + 31 + 204 + 9 = 666.

It is not a de Polignac number, because 66463343312049 - 2⁴ = 66463343312033 is a prime.

It is a super-3 number, since 3×66463343312049³ (a number of 42 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66463343311986 and 66463343312004.

It is not an unprimeable number, because it can be changed into a prime (66463343312059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1557299607 + ... + 1557342284.

It is an arithmetic number, because the mean of its divisors is an integer number (8003591448476).

Almost surely, 2^{66463343312049} is an apocalyptic number.

It is an amenable number.

66463343312049 is a deficient number, since it is larger than the sum of its proper divisors (29579754069663).

66463343312049 is a wasteful number, since it uses less digits than its factorization.

66463343312049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114644268 (or 3114644265 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 54.

The spelling of 66463343312049 in words is "sixty-six trillion, four hundred sixty-three billion, three hundred forty-three million, three hundred twelve thousand, forty-nine".