64910326452 has 12 divisors (see below), whose sum is σ = 151457428416. Its totient is φ = 21636775480.

The previous prime is 64910326433. The next prime is 64910326463. The reversal of 64910326452 is 25462301946.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704596924 + ... + 2704596947.

It is an arithmetic number, because the mean of its divisors is an integer number (12621452368).

Almost surely, 2^64910326452 is an apocalyptic number.

It is an amenable number.

64910326452 is an abundant number, since it is smaller than the sum of its proper divisors (86547101964).

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

64910326452 is a wasteful number, since it uses less digits than its factorization.

64910326452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409193878 (or 5409193876 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 64910326452 in words is "sixty-four billion, nine hundred ten million, three hundred twenty-six thousand, four hundred fifty-two".