63040819 has 4 divisors (see below), whose sum is σ = 63057096. Its totient is φ = 63024544.

The previous prime is 63040807. The next prime is 63040849. The reversal of 63040819 is 91804036.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63040819 - 2⁵ = 63040787 is a prime.

It is a super-2 number, since 2×63040819² = 7948289720381522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63040849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (15764274).

Almost surely, 2^63040819 is an apocalyptic number.

63040819 is a deficient number, since it is larger than the sum of its proper divisors (16277).

63040819 is an equidigital number, since it uses as much as digits as its factorization.

63040819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16276.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 63040819 is about 7939.8248721241. The cubic root of 63040819 is about 397.9916393453.

The spelling of 63040819 in words is "sixty-three million, forty thousand, eight hundred nineteen".