1300066311897 has 6 divisors (see below), whose sum is σ = 1877873561642. Its totient is φ = 866710874592.

The previous prime is 1300066311893. The next prime is 1300066311931. The reversal of 1300066311897 is 7981136600031.

1300066311897 is a `hidden beast` number, since 1 + 3 + 0 + 0 + 0 + 6 + 631 + 1 + 8 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1177754539536 + 122311772361 = 1085244^2 + 349731^2 .

It is not a de Polignac number, because 1300066311897 - 2² = 1300066311893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300066311893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72225906208 + ... + 72225906225.

Almost surely, 2^{1300066311897} is an apocalyptic number.

It is an amenable number.

1300066311897 is a deficient number, since it is larger than the sum of its proper divisors (577807249745).

1300066311897 is a wasteful number, since it uses less digits than its factorization.

1300066311897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144451812439 (or 144451812436 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 1300066311897 in words is "one trillion, three hundred billion, sixty-six million, three hundred eleven thousand, eight hundred ninety-seven".