489393503 has 2 divisors, whose sum is σ = 489393504. Its totient is φ = 489393502.

The previous prime is 489393491. The next prime is 489393511. The reversal of 489393503 is 305393984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489393503 - 2⁶ = 489393439 is a prime.

It is a super-2 number, since 2×489393503² = 479012001557222018, which contains 22 as substring.

It is equal to p_25825976 and since 489393503 and 25825976 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489393523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244696751 + 244696752.

It is an arithmetic number, because the mean of its divisors is an integer number (244696752).

Almost surely, 2^489393503 is an apocalyptic number.

489393503 is a deficient number, since it is larger than the sum of its proper divisors (1).

489393503 is an equidigital number, since it uses as much as digits as its factorization.

489393503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 489393503 is about 22122.2400086429. The cubic root of 489393503 is about 788.0481125124.

The spelling of 489393503 in words is "four hundred eighty-nine million, three hundred ninety-three thousand, five hundred three".