501243510434 has 32 divisors (see below), whose sum is σ = 788485365360. Its totient is φ = 238771584000.

The previous prime is 501243510413. The next prime is 501243510457. The reversal of 501243510434 is 434015342105.

It can be written as a sum of positive squares in 8 ways, for example, as 235858836409 + 265384674025 = 485653^2 + 515155^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 501243510434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190052 + ... + 1019120.

Almost surely, 2^501243510434 is an apocalyptic number.

501243510434 is a deficient number, since it is larger than the sum of its proper divisors (287241854926).

501243510434 is a wasteful number, since it uses less digits than its factorization.

501243510434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829286.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 501243510434 its reverse (434015342105), we get a palindrome (935258852539).

The spelling of 501243510434 in words is "five hundred one billion, two hundred forty-three million, five hundred ten thousand, four hundred thirty-four".