490105949 has 4 divisors (see below), whose sum is σ = 490189920. Its totient is φ = 490021980.

The previous prime is 490105943. The next prime is 490105951. The reversal of 490105949 is 949501094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490105949 - 2²⁴ = 473328733 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 (490105943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32519 + ... + 45140.

It is an arithmetic number, because the mean of its divisors is an integer number (122547480).

Almost surely, 2^490105949 is an apocalyptic number.

It is an amenable number.

490105949 is a deficient number, since it is larger than the sum of its proper divisors (83971).

490105949 is an equidigital number, since it uses as much as digits as its factorization.

490105949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83970.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 490105949 is about 22138.3366357999. The cubic root of 490105949 is about 788.4303335665.

The spelling of 490105949 in words is "four hundred ninety million, one hundred five thousand, nine hundred forty-nine".