1404999768921 has 128 divisors (see below), whose sum is σ = 2362301644800. Its totient is φ = 724720711680.

The previous prime is 1404999768857. The next prime is 1404999768937. The reversal of 1404999768921 is 1298679994041.

It is not a de Polignac number, because 1404999768921 - 2⁶ = 1404999768857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404999728921) 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 127 ways as a sum of consecutive naturals, for example, 748533835 + ... + 748535711.

It is an arithmetic number, because the mean of its divisors is an integer number (18455481600).

Almost surely, 2^{1404999768921} is an apocalyptic number.

It is an amenable number.

1404999768921 is a deficient number, since it is larger than the sum of its proper divisors (957301875879).

1404999768921 is a wasteful number, since it uses less digits than its factorization.

1404999768921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 1404999768921 in words is "one trillion, four hundred four billion, nine hundred ninety-nine million, seven hundred sixty-eight thousand, nine hundred twenty-one".