519442804764 has 72 divisors (see below), whose sum is σ = 1427254199280. Its totient is φ = 158334815232.

The previous prime is 519442804763. The next prime is 519442804787. The reversal of 519442804764 is 467408244915.

519442804764 is a `hidden beast` number, since 5 + 1 + 94 + 4 + 2 + 80 + 476 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 519442804764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519442804763) 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 23 ways as a sum of consecutive naturals, for example, 5136469 + ... + 5236620.

It is an arithmetic number, because the mean of its divisors is an integer number (19822974990).

Almost surely, 2^519442804764 is an apocalyptic number.

It is an amenable number.

519442804764 is an abundant number, since it is smaller than the sum of its proper divisors (907811394516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

519442804764 is a wasteful number, since it uses less digits than its factorization.

519442804764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373219 (or 10373214 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 519442804764 in words is "five hundred nineteen billion, four hundred forty-two million, eight hundred four thousand, seven hundred sixty-four".