63149171802 has 8 divisors (see below), whose sum is σ = 126298343616. Its totient is φ = 21049723932.

The previous prime is 63149171797. The next prime is 63149171809. The reversal of 63149171802 is 20817194136.

It is a happy number.

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

63149171802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63149171809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262430978 + ... + 5262430989.

It is an arithmetic number, because the mean of its divisors is an integer number (15787292952).

Almost surely, 2^63149171802 is an apocalyptic number.

63149171802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63149171802 is a wasteful number, since it uses less digits than its factorization.

63149171802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524861972.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 63149171802 in words is "sixty-three billion, one hundred forty-nine million, one hundred seventy-one thousand, eight hundred two".