1378772310484 has 12 divisors (see below), whose sum is σ = 2422025885664. Its totient is φ = 686764914584.

The previous prime is 1378772310481. The next prime is 1378772310493. The reversal of 1378772310484 is 4840132778731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378772310481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655308982 + ... + 655311085.

It is an arithmetic number, because the mean of its divisors is an integer number (201835490472).

Almost surely, 2^{1378772310484} is an apocalyptic number.

It is an amenable number.

1378772310484 is a deficient number, since it is larger than the sum of its proper divisors (1043253575180).

1378772310484 is a wasteful number, since it uses less digits than its factorization.

1378772310484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310620334 (or 1310620332 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 1378772310484 in words is "one trillion, three hundred seventy-eight billion, seven hundred seventy-two million, three hundred ten thousand, four hundred eighty-four".