503674738404601 has 3 divisors (see below), whose sum is σ = 503674760847301. Its totient is φ = 503674715961902.

The previous prime is 503674738404589. The next prime is 503674738404611. The reversal of 503674738404601 is 106404837476305.

It is a happy number.

The square root of 503674738404601 is 22442699.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 503674738404601 - 2²³ = 503674730015993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503674738404611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11221350 + ... + 33664048.

Almost surely, 2^{503674738404601} is an apocalyptic number.

503674738404601 is the 22442699-th square number.

503674738404601 is the 11221350-th centered octagonal number.

It is an amenable number.

503674738404601 is a deficient number, since it is larger than the sum of its proper divisors (22442700).

503674738404601 is an frugal number, since it uses more digits than its factorization.

503674738404601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44885398 (or 22442699 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 503674738404601 in words is "five hundred three trillion, six hundred seventy-four billion, seven hundred thirty-eight million, four hundred four thousand, six hundred one".