503969819 has 2 divisors, whose sum is σ = 503969820. Its totient is φ = 503969818.

The previous prime is 503969797. The next prime is 503969831. The reversal of 503969819 is 918969305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503969819 - 2¹⁶ = 503904283 is a prime.

It is a super-2 number, since 2×503969819² = 507971156925785522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (503969839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251984909 + 251984910.

It is an arithmetic number, because the mean of its divisors is an integer number (251984910).

Almost surely, 2^503969819 is an apocalyptic number.

503969819 is a deficient number, since it is larger than the sum of its proper divisors (1).

503969819 is an equidigital number, since it uses as much as digits as its factorization.

503969819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 503969819 is about 22449.2721262851. The cubic root of 503969819 is about 795.7955560868.

The spelling of 503969819 in words is "five hundred three million, nine hundred sixty-nine thousand, eight hundred nineteen".