64980968230 has 16 divisors (see below), whose sum is σ = 117041281200. Its totient is φ = 25975600992.

The previous prime is 64980968219. The next prime is 64980968279. The reversal of 64980968230 is 3286908946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2082024 + ... + 2113003.

It is an arithmetic number, because the mean of its divisors is an integer number (7315080075).

Almost surely, 2^64980968230 is an apocalyptic number.

64980968230 is a deficient number, since it is larger than the sum of its proper divisors (52060312970).

64980968230 is a wasteful number, since it uses less digits than its factorization.

64980968230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196583.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 64980968230 in words is "sixty-four billion, nine hundred eighty million, nine hundred sixty-eight thousand, two hundred thirty".