1445697385399 has 16 divisors (see below), whose sum is σ = 1543867234560. Its totient is φ = 1351424160000.

The previous prime is 1445697385397. The next prime is 1445697385417. The reversal of 1445697385399 is 9935837965441.

It is a cyclic number.

It is not a de Polignac number, because 1445697385399 - 2¹ = 1445697385397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445697385397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5502564 + ... + 5759305.

It is an arithmetic number, because the mean of its divisors is an integer number (96491702160).

Almost surely, 2^{1445697385399} is an apocalyptic number.

1445697385399 is a deficient number, since it is larger than the sum of its proper divisors (98169849161).

1445697385399 is a wasteful number, since it uses less digits than its factorization.

1445697385399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262042.

The product of its digits is 881798400, while the sum is 73.

The spelling of 1445697385399 in words is "one trillion, four hundred forty-five billion, six hundred ninety-seven million, three hundred eighty-five thousand, three hundred ninety-nine".