503890946605 has 16 divisors (see below), whose sum is σ = 607105860480. Its totient is φ = 401489209152.

The previous prime is 503890946597. The next prime is 503890946609. The reversal of 503890946605 is 506649098305.

It is a cyclic number.

It is not a de Polignac number, because 503890946605 - 2³ = 503890946597 is a prime.

It is a super-2 number, since 2×503890946605² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503890946609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4391272 + ... + 4504558.

It is an arithmetic number, because the mean of its divisors is an integer number (37944116280).

Almost surely, 2^503890946605 is an apocalyptic number.

It is an amenable number.

503890946605 is a deficient number, since it is larger than the sum of its proper divisors (103214913875).

503890946605 is a wasteful number, since it uses less digits than its factorization.

503890946605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116868.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 503890946605 in words is "five hundred three billion, eight hundred ninety million, nine hundred forty-six thousand, six hundred five".