490102013 has 2 divisors, whose sum is σ = 490102014. Its totient is φ = 490102012.

The previous prime is 490102007. The next prime is 490102021. The reversal of 490102013 is 310201094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489869689 + 232324 = 22133^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 490102013 - 2¹² = 490097917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490102073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245051006 + 245051007.

It is an arithmetic number, because the mean of its divisors is an integer number (245051007).

Almost surely, 2^490102013 is an apocalyptic number.

It is an amenable number.

490102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

490102013 is an equidigital number, since it uses as much as digits as its factorization.

490102013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 490102013 is about 22138.2477400539. The cubic root of 490102013 is about 788.4282229547.

The spelling of 490102013 in words is "four hundred ninety million, one hundred two thousand, thirteen".