1380653745569 has 16 divisors (see below), whose sum is σ = 1628865561600. Its totient is φ = 1145189378880.

The previous prime is 1380653745551. The next prime is 1380653745683. The reversal of 1380653745569 is 9655473560831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1380653745569 - 2³² = 1376358778273 is a prime.

It is a super-2 number, since 2×1380653745569² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1380653747569) 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, 4918007 + ... + 5191155.

It is an arithmetic number, because the mean of its divisors is an integer number (101804097600).

Almost surely, 2^{1380653745569} is an apocalyptic number.

It is an amenable number.

1380653745569 is a deficient number, since it is larger than the sum of its proper divisors (248211816031).

1380653745569 is a wasteful number, since it uses less digits than its factorization.

1380653745569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296480.

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 1380653745569 in words is "one trillion, three hundred eighty billion, six hundred fifty-three million, seven hundred forty-five thousand, five hundred sixty-nine".