1298305634664 has 32 divisors (see below), whose sum is σ = 3357686988000. Its totient is φ = 417845491392.

The previous prime is 1298305634621. The next prime is 1298305634701. The reversal of 1298305634664 is 4664365038921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932690134 + ... + 932691525.

It is an arithmetic number, because the mean of its divisors is an integer number (104927718375).

Almost surely, 2^{1298305634664} is an apocalyptic number.

It is an amenable number.

1298305634664 is an abundant number, since it is smaller than the sum of its proper divisors (2059381353336).

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

1298305634664 is a wasteful number, since it uses less digits than its factorization.

1298305634664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865381697 (or 1865381693 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 1298305634664 in words is "one trillion, two hundred ninety-eight billion, three hundred five million, six hundred thirty-four thousand, six hundred sixty-four".