494541749 has 8 divisors (see below), whose sum is σ = 532761600. Its totient is φ = 456347376.

The previous prime is 494541643. The next prime is 494541757. The reversal of 494541749 is 947145494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494541749 - 2²⁰ = 493493173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494541769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58424 + ... + 66350.

It is an arithmetic number, because the mean of its divisors is an integer number (66595200).

Almost surely, 2^494541749 is an apocalyptic number.

It is an amenable number.

494541749 is a deficient number, since it is larger than the sum of its proper divisors (38219851).

494541749 is a wasteful number, since it uses less digits than its factorization.

494541749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739.

The product of its digits is 725760, while the sum is 47.

The square root of 494541749 is about 22238.2946513441. The cubic root of 494541749 is about 790.8018078414.

The spelling of 494541749 in words is "four hundred ninety-four million, five hundred forty-one thousand, seven hundred forty-nine".