493760491 has 4 divisors (see below), whose sum is σ = 564297712. Its totient is φ = 423223272.

The previous prime is 493760489. The next prime is 493760497. The reversal of 493760491 is 194067394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194067394 = 2 ⋅97033697.

It is a cyclic number.

It is not a de Polignac number, because 493760491 - 2¹ = 493760489 is a prime.

It is a super-2 number, since 2×493760491² = 487598844945122162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493760497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35268600 + ... + 35268613.

It is an arithmetic number, because the mean of its divisors is an integer number (141074428).

Almost surely, 2^493760491 is an apocalyptic number.

493760491 is a deficient number, since it is larger than the sum of its proper divisors (70537221).

493760491 is an equidigital number, since it uses as much as digits as its factorization.

493760491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70537220.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 493760491 is about 22220.7221079784. The cubic root of 493760491 is about 790.3851622888.

The spelling of 493760491 in words is "four hundred ninety-three million, seven hundred sixty thousand, four hundred ninety-one".