509270012947 has 2 divisors, whose sum is σ = 509270012948. Its totient is φ = 509270012946.

The previous prime is 509270012903. The next prime is 509270012963. The reversal of 509270012947 is 749210072905.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 509270012947 - 2¹⁵ = 509269980179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 509270012897 and 509270012906.

It is not a weakly prime, because it can be changed into another prime (509270018947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254635006473 + 254635006474.

It is an arithmetic number, because the mean of its divisors is an integer number (254635006474).

Almost surely, 2^509270012947 is an apocalyptic number.

509270012947 is a deficient number, since it is larger than the sum of its proper divisors (1).

509270012947 is an equidigital number, since it uses as much as digits as its factorization.

509270012947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 509270012947 in words is "five hundred nine billion, two hundred seventy million, twelve thousand, nine hundred forty-seven".