490771749 has 8 divisors (see below), whose sum is σ = 704697952. Its totient is φ = 302013360.

The previous prime is 490771747. The next prime is 490771753. The reversal of 490771749 is 947177094.

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

It is not a de Polignac number, because 490771749 - 2¹ = 490771747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490771698 and 490771707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490771747) 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, 6291907 + ... + 6291984.

It is an arithmetic number, because the mean of its divisors is an integer number (88087244).

Almost surely, 2^490771749 is an apocalyptic number.

It is an amenable number.

490771749 is a deficient number, since it is larger than the sum of its proper divisors (213926203).

490771749 is a wasteful number, since it uses less digits than its factorization.

490771749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583907.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 490771749 is about 22153.3687957385. The cubic root of 490771749 is about 788.7871947653.

The spelling of 490771749 in words is "four hundred ninety million, seven hundred seventy-one thousand, seven hundred forty-nine".