490398463 has 2 divisors, whose sum is σ = 490398464. Its totient is φ = 490398462.

The previous prime is 490398457. The next prime is 490398509. The reversal of 490398463 is 364893094.

It is an a-pointer prime, because the next prime (490398509) can be obtained adding 490398463 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490398463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490398413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245199231 + 245199232.

It is an arithmetic number, because the mean of its divisors is an integer number (245199232).

Almost surely, 2^490398463 is an apocalyptic number.

490398463 is a deficient number, since it is larger than the sum of its proper divisors (1).

490398463 is an equidigital number, since it uses as much as digits as its factorization.

490398463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 490398463 is about 22144.9421539095. The cubic root of 490398463 is about 788.5871575103.

The spelling of 490398463 in words is "four hundred ninety million, three hundred ninety-eight thousand, four hundred sixty-three".