63226669697 has 4 divisors (see below), whose sum is σ = 65975655360. Its totient is φ = 60477684036.

The previous prime is 63226669673. The next prime is 63226669729. The reversal of 63226669697 is 79696662236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63226669697 - 2²⁴ = 63209892481 is a prime.

It is a super-2 number, since 2×63226669697² (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 (63226669897) 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 3 ways as a sum of consecutive naturals, for example, 1374492797 + ... + 1374492842.

It is an arithmetic number, because the mean of its divisors is an integer number (16493913840).

Almost surely, 2^63226669697 is an apocalyptic number.

It is an amenable number.

63226669697 is a deficient number, since it is larger than the sum of its proper divisors (2748985663).

63226669697 is a wasteful number, since it uses less digits than its factorization.

63226669697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748985662.

The product of its digits is 52907904, while the sum is 62.

The spelling of 63226669697 in words is "sixty-three billion, two hundred twenty-six million, six hundred sixty-nine thousand, six hundred ninety-seven".