495390819 has 96 divisors (see below), whose sum is σ = 904314880. Its totient is φ = 235224000.

The previous prime is 495390811. The next prime is 495390827. The reversal of 495390819 is 918093594.

It is an interprime number because it is at equal distance from previous prime (495390811) and next prime (495390827).

It is not a de Polignac number, because 495390819 - 2³ = 495390811 is a prime.

It is a super-2 number, since 2×495390819² = 490824127098981522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495390811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1496484 + ... + 1496814.

Almost surely, 2^495390819 is an apocalyptic number.

495390819 is a deficient number, since it is larger than the sum of its proper divisors (408924061).

495390819 is a wasteful number, since it uses less digits than its factorization.

495390819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 495390819 is about 22257.3767322207. The cubic root of 495390819 is about 791.2541203063.

The spelling of 495390819 in words is "four hundred ninety-five million, three hundred ninety thousand, eight hundred nineteen".