1404466561 has 2 divisors, whose sum is σ = 1404466562. Its totient is φ = 1404466560.

The previous prime is 1404466519. The next prime is 1404466571. The reversal of 1404466561 is 1656644041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1356080625 + 48385936 = 36825^2 + 6956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404466561 - 2¹³ = 1404458369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1404466561.

It is not a weakly prime, because it can be changed into another prime (1404466571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702233280 + 702233281.

It is an arithmetic number, because the mean of its divisors is an integer number (702233281).

Almost surely, 2^1404466561 is an apocalyptic number.

It is an amenable number.

1404466561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404466561 is an equidigital number, since it uses as much as digits as its factorization.

1404466561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 1404466561 is about 37476.2132692192. The cubic root of 1404466561 is about 1119.8773677912.

The spelling of 1404466561 in words is "one billion, four hundred four million, four hundred sixty-six thousand, five hundred sixty-one".