498243869 has 2 divisors, whose sum is σ = 498243870. Its totient is φ = 498243868.

The previous prime is 498243853. The next prime is 498243883. The reversal of 498243869 is 968342894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393427225 + 104816644 = 19835^2 + 10238^2 .

It is a cyclic number.

It is not a de Polignac number, because 498243869 - 2⁴ = 498243853 is a prime.

It is a super-2 number, since 2×498243869² = 496493905992178322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 498243869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498243899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249121934 + 249121935.

It is an arithmetic number, because the mean of its divisors is an integer number (249121935).

Almost surely, 2^498243869 is an apocalyptic number.

It is an amenable number.

498243869 is a deficient number, since it is larger than the sum of its proper divisors (1).

498243869 is an equidigital number, since it uses as much as digits as its factorization.

498243869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 53.

The square root of 498243869 is about 22321.3769512546. The cubic root of 498243869 is about 792.7702078933.

The spelling of 498243869 in words is "four hundred ninety-eight million, two hundred forty-three thousand, eight hundred sixty-nine".