497799819 has 48 divisors (see below), whose sum is σ = 831448800. Its totient is φ = 284121600.

The previous prime is 497799817. The next prime is 497799821. The reversal of 497799819 is 918997794.

It is an interprime number because it is at equal distance from previous prime (497799817) and next prime (497799821).

It is not a de Polignac number, because 497799819 - 2¹ = 497799817 is a prime.

It is a super-2 number, since 2×497799819² = 495609319592865522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497799817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115597 + ... + 119825.

It is an arithmetic number, because the mean of its divisors is an integer number (17321850).

Almost surely, 2^497799819 is an apocalyptic number.

497799819 is a deficient number, since it is larger than the sum of its proper divisors (333648981).

497799819 is a wasteful number, since it uses less digits than its factorization.

497799819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4313 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 497799819 is about 22311.4279910543. The cubic root of 497799819 is about 792.5346243004.

The spelling of 497799819 in words is "four hundred ninety-seven million, seven hundred ninety-nine thousand, eight hundred nineteen".