490276819 has 2 divisors, whose sum is σ = 490276820. Its totient is φ = 490276818.

The previous prime is 490276789. The next prime is 490276847. The reversal of 490276819 is 918672094.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490276819 is a prime.

It is a super-2 number, since 2×490276819² = 480742718497517522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (490276849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245138409 + 245138410.

It is an arithmetic number, because the mean of its divisors is an integer number (245138410).

Almost surely, 2^490276819 is an apocalyptic number.

490276819 is a deficient number, since it is larger than the sum of its proper divisors (1).

490276819 is an equidigital number, since it uses as much as digits as its factorization.

490276819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 490276819 is about 22142.1954421868. The cubic root of 490276819 is about 788.5219487491.

The spelling of 490276819 in words is "four hundred ninety million, two hundred seventy-six thousand, eight hundred nineteen".