493356469 has 2 divisors, whose sum is σ = 493356470. Its totient is φ = 493356468.

The previous prime is 493356449. The next prime is 493356481. The reversal of 493356469 is 964653394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480179569 + 13176900 = 21913^2 + 3630^2 .

It is a cyclic number.

It is not a de Polignac number, because 493356469 - 2¹³ = 493348277 is a prime.

It is a super-2 number, since 2×493356469² = 486801211008295922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493356449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246678234 + 246678235.

It is an arithmetic number, because the mean of its divisors is an integer number (246678235).

Almost surely, 2^493356469 is an apocalyptic number.

It is an amenable number.

493356469 is a deficient number, since it is larger than the sum of its proper divisors (1).

493356469 is an equidigital number, since it uses as much as digits as its factorization.

493356469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 49.

The square root of 493356469 is about 22211.6291388092. The cubic root of 493356469 is about 790.1695245872.

The spelling of 493356469 in words is "four hundred ninety-three million, three hundred fifty-six thousand, four hundred sixty-nine".