490910111 has 2 divisors, whose sum is σ = 490910112. Its totient is φ = 490910110.

The previous prime is 490910107. The next prime is 490910129. The reversal of 490910111 is 111019094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490910111 - 2² = 490910107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490910131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245455055 + 245455056.

It is an arithmetic number, because the mean of its divisors is an integer number (245455056).

Almost surely, 2^490910111 is an apocalyptic number.

490910111 is a deficient number, since it is larger than the sum of its proper divisors (1).

490910111 is an equidigital number, since it uses as much as digits as its factorization.

490910111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 490910111 is about 22156.4913964283. The cubic root of 490910111 is about 788.8613147062.

The spelling of 490910111 in words is "four hundred ninety million, nine hundred ten thousand, one hundred eleven".