6464791291704 has 64 divisors (see below), whose sum is σ = 17256874694400. Its totient is φ = 2013302032896.

The previous prime is 6464791291697. The next prime is 6464791291733. The reversal of 6464791291704 is 4071921974646.

It is a happy number.

It is a congruent 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, 136157409 + ... + 136204880.

It is an arithmetic number, because the mean of its divisors is an integer number (269638667100).

Almost surely, 2^{6464791291704} is an apocalyptic number.

It is an amenable number.

6464791291704 is an abundant number, since it is smaller than the sum of its proper divisors (10792083402696).

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

6464791291704 is a wasteful number, since it uses less digits than its factorization.

6464791291704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272362364 (or 272362360 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 6464791291704 in words is "six trillion, four hundred sixty-four billion, seven hundred ninety-one million, two hundred ninety-one thousand, seven hundred four".