503233311641 has 4 divisors (see below), whose sum is σ = 504561104400. Its totient is φ = 501905518884.

The previous prime is 503233311631. The next prime is 503233311671. The reversal of 503233311641 is 146113332305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503233311641 is a prime.

It is a super-2 number, since 2×503233311641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503233311598 and 503233311607.

It is not an unprimeable number, because it can be changed into a prime (503233311631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663895811 + ... + 663896568.

It is an arithmetic number, because the mean of its divisors is an integer number (126140276100).

Almost surely, 2^503233311641 is an apocalyptic number.

It is an amenable number.

503233311641 is a deficient number, since it is larger than the sum of its proper divisors (1327792759).

503233311641 is a wasteful number, since it uses less digits than its factorization.

503233311641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327792758.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 503233311641 its reverse (146113332305), we get a palindrome (649346643946).

The spelling of 503233311641 in words is "five hundred three billion, two hundred thirty-three million, three hundred eleven thousand, six hundred forty-one".