1409807384066 has 16 divisors (see below), whose sum is σ = 2154775332600. Its totient is φ = 691550965248.

The previous prime is 1409807384033. The next prime is 1409807384137. The reversal of 1409807384066 is 6604837089041.

It can be written as a sum of positive squares in 4 ways, for example, as 1030377255625 + 379430128441 = 1015075^2 + 615979^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911090 + ... + 1910418.

Almost surely, 2^{1409807384066} is an apocalyptic number.

1409807384066 is a deficient number, since it is larger than the sum of its proper divisors (744967948534).

1409807384066 is a wasteful number, since it uses less digits than its factorization.

1409807384066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012693.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 1409807384066 in words is "one trillion, four hundred nine billion, eight hundred seven million, three hundred eighty-four thousand, sixty-six".