1379769732548 has 18 divisors (see below), whose sum is σ = 2564987160666. Its totient is φ = 649303403008.

The previous prime is 1379769732547. The next prime is 1379769732559. The reversal of 1379769732548 is 8452379679731.

It can be written as a sum of positive squares in 3 ways, for example, as 204609666244 + 1175160066304 = 452338^2 + 1084048^2 .

It is not an unprimeable number, because it can be changed into a prime (1379769732547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 596785061 + ... + 596787372.

Almost surely, 2^{1379769732548} is an apocalyptic number.

It is an amenable number.

1379769732548 is a deficient number, since it is larger than the sum of its proper divisors (1185217428118).

1379769732548 is a wasteful number, since it uses less digits than its factorization.

1379769732548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193572471 (or 1193572452 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 71.

The spelling of 1379769732548 in words is "one trillion, three hundred seventy-nine billion, seven hundred sixty-nine million, seven hundred thirty-two thousand, five hundred forty-eight".