64421322315100 has 36 divisors (see below), whose sum is σ = 142163663833800. Its totient is φ = 25331774196160.

The previous prime is 64421322315089. The next prime is 64421322315121. The reversal of 64421322315100 is 151322312446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5459428195 + ... + 5459439994.

It is an arithmetic number, because the mean of its divisors is an integer number (3948990662050).

Almost surely, 2^{64421322315100} is an apocalyptic number.

It is an amenable number.

64421322315100 is an abundant number, since it is smaller than the sum of its proper divisors (77742341518700).

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

64421322315100 is a wasteful number, since it uses less digits than its factorization.

64421322315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10918868262 (or 10918868255 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 64421322315100 its reverse (151322312446), we get a palindrome (64572644627546).

The spelling of 64421322315100 in words is "sixty-four trillion, four hundred twenty-one billion, three hundred twenty-two million, three hundred fifteen thousand, one hundred".