503040050621 has 8 divisors (see below), whose sum is σ = 534165606720. Its totient is φ = 472085046208.

The previous prime is 503040050599. The next prime is 503040050651. The reversal of 503040050621 is 126050040305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503040050621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503040050651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42631841 + ... + 42643638.

It is an arithmetic number, because the mean of its divisors is an integer number (66770700840).

Almost surely, 2^503040050621 is an apocalyptic number.

It is an amenable number.

503040050621 is a deficient number, since it is larger than the sum of its proper divisors (31125556099).

503040050621 is a wasteful number, since it uses less digits than its factorization.

503040050621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85275843.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 503040050621 its reverse (126050040305), we get a palindrome (629090090926).

The spelling of 503040050621 in words is "five hundred three billion, forty million, fifty thousand, six hundred twenty-one".