509868288701 has 2 divisors, whose sum is σ = 509868288702. Its totient is φ = 509868288700.

The previous prime is 509868288647. The next prime is 509868288719. The reversal of 509868288701 is 107882868905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468629239225 + 41239049476 = 684565^2 + 203074^2 .

It is a cyclic number.

It is not a de Polignac number, because 509868288701 - 2²⁶ = 509801179837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (509868288751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254934144350 + 254934144351.

It is an arithmetic number, because the mean of its divisors is an integer number (254934144351).

Almost surely, 2^509868288701 is an apocalyptic number.

It is an amenable number.

509868288701 is a deficient number, since it is larger than the sum of its proper divisors (1).

509868288701 is an equidigital number, since it uses as much as digits as its factorization.

509868288701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 509868288701 in words is "five hundred nine billion, eight hundred sixty-eight million, two hundred eighty-eight thousand, seven hundred one".