489826453 has 2 divisors, whose sum is σ = 489826454. Its totient is φ = 489826452.

The previous prime is 489826417. The next prime is 489826471. The reversal of 489826453 is 354628984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293882449 + 195944004 = 17143^2 + 13998^2 .

It is a cyclic number.

It is not a de Polignac number, because 489826453 - 2²⁵ = 456272021 is a prime.

It is a super-2 number, since 2×489826453² = 479859908117122418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 489826397 and 489826406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489826853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244913226 + 244913227.

It is an arithmetic number, because the mean of its divisors is an integer number (244913227).

Almost surely, 2^489826453 is an apocalyptic number.

It is an amenable number.

489826453 is a deficient number, since it is larger than the sum of its proper divisors (1).

489826453 is an equidigital number, since it uses as much as digits as its factorization.

489826453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 49.

The square root of 489826453 is about 22132.0232468701. The cubic root of 489826453 is about 788.2804305863.

The spelling of 489826453 in words is "four hundred eighty-nine million, eight hundred twenty-six thousand, four hundred fifty-three".