64321106380 has 48 divisors (see below), whose sum is σ = 136836241920. Its totient is φ = 25393088448.

The previous prime is 64321106363. The next prime is 64321106401. The reversal of 64321106380 is 8360112346.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5282179 + ... + 5294341.

It is an arithmetic number, because the mean of its divisors is an integer number (2850755040).

Almost surely, 2^64321106380 is an apocalyptic number.

It is an amenable number.

64321106380 is an abundant number, since it is smaller than the sum of its proper divisors (72515135540).

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

64321106380 is a wasteful number, since it uses less digits than its factorization.

64321106380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598 (or 15596 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 64321106380 in words is "sixty-four billion, three hundred twenty-one million, one hundred six thousand, three hundred eighty".