503040650729 has 2 divisors, whose sum is σ = 503040650730. Its totient is φ = 503040650728.

The previous prime is 503040650719. The next prime is 503040650741. The reversal of 503040650729 is 927056040305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479034247129 + 24006403600 = 692123^2 + 154940^2 .

It is a cyclic number.

It is not a de Polignac number, because 503040650729 - 2⁸ = 503040650473 is a prime.

It is not a weakly prime, because it can be changed into another prime (503040650719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520325364 + 251520325365.

It is an arithmetic number, because the mean of its divisors is an integer number (251520325365).

Almost surely, 2^503040650729 is an apocalyptic number.

It is an amenable number.

503040650729 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040650729 is an equidigital number, since it uses as much as digits as its factorization.

503040650729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 503040650729 in words is "five hundred three billion, forty million, six hundred fifty thousand, seven hundred twenty-nine".