966563809502 has 8 divisors (see below), whose sum is σ = 1449873740712. Its totient is φ = 483272562600.

The previous prime is 966563809499. The next prime is 966563809507. The reversal of 966563809502 is 205908365669.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966563809507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541024 + ... + 4749107.

It is an arithmetic number, because the mean of its divisors is an integer number (181234217589).

Almost surely, 2^966563809502 is an apocalyptic number.

966563809502 is a deficient number, since it is larger than the sum of its proper divisors (483309931210).

966563809502 is a wasteful number, since it uses less digits than its factorization.

966563809502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342154.

The product of its (nonzero) digits is 20995200, while the sum is 59.

The spelling of 966563809502 in words is "nine hundred sixty-six billion, five hundred sixty-three million, eight hundred nine thousand, five hundred two".