512809030907 has 4 divisors (see below), whose sum is σ = 512810922000. Its totient is φ = 512807139816.

The previous prime is 512809030889. The next prime is 512809030939. The reversal of 512809030907 is 709030908215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512809030907 - 2⁶ = 512809030843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512809230907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453407 + ... + 1109592.

It is an arithmetic number, because the mean of its divisors is an integer number (128202730500).

Almost surely, 2^512809030907 is an apocalyptic number.

512809030907 is a deficient number, since it is larger than the sum of its proper divisors (1891093).

512809030907 is a wasteful number, since it uses less digits than its factorization.

512809030907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891092.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 512809030907 in words is "five hundred twelve billion, eight hundred nine million, thirty thousand, nine hundred seven".