1404066899 has 4 divisors (see below), whose sum is σ = 1404376536. Its totient is φ = 1403757264.

The previous prime is 1404066877. The next prime is 1404066919. The reversal of 1404066899 is 9986604041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9986604041 = 19 ⋅525610739.

It is a cyclic number.

It is not a de Polignac number, because 1404066899 - 2²⁸ = 1135631443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404066299) 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, 147914 + ... + 157119.

It is an arithmetic number, because the mean of its divisors is an integer number (351094134).

Almost surely, 2^1404066899 is an apocalyptic number.

1404066899 is a deficient number, since it is larger than the sum of its proper divisors (309637).

1404066899 is an equidigital number, since it uses as much as digits as its factorization.

1404066899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309636.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1404066899 is about 37470.8806808700. The cubic root of 1404066899 is about 1119.7711317530.

The spelling of 1404066899 in words is "one billion, four hundred four million, sixty-six thousand, eight hundred ninety-nine".