1418006819 has 4 divisors (see below), whose sum is σ = 1432625544. Its totient is φ = 1403388096.

The previous prime is 1418006813. The next prime is 1418006899. The reversal of 1418006819 is 9186008141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1418006819 - 2¹² = 1418002723 is a prime.

It is a super-2 number, since 2×1418006819² = 4021486677460997522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418006813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7309217 + ... + 7309410.

It is an arithmetic number, because the mean of its divisors is an integer number (358156386).

Almost surely, 2^1418006819 is an apocalyptic number.

1418006819 is a deficient number, since it is larger than the sum of its proper divisors (14618725).

1418006819 is an equidigital number, since it uses as much as digits as its factorization.

1418006819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618724.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 1418006819 is about 37656.4313099370. The cubic root of 1418006819 is about 1123.4647222997.

The spelling of 1418006819 in words is "one billion, four hundred eighteen million, six thousand, eight hundred nineteen".