503041013642 has 16 divisors (see below), whose sum is σ = 755685170280. Its totient is φ = 251146158528.

The previous prime is 503041013633. The next prime is 503041013653. The reversal of 503041013642 is 246310140305.

It can be written as a sum of positive squares in 4 ways, for example, as 422475300361 + 80565713281 = 649981^2 + 283841^2 .

It is a super-2 number, since 2×503041013642² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138084 + ... + 5235072.

Almost surely, 2^503041013642 is an apocalyptic number.

503041013642 is a deficient number, since it is larger than the sum of its proper divisors (252644156638).

503041013642 is a wasteful number, since it uses less digits than its factorization.

503041013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100825.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 503041013642 its reverse (246310140305), we get a palindrome (749351153947).

The spelling of 503041013642 in words is "five hundred three billion, forty-one million, thirteen thousand, six hundred forty-two".