1409676540805 has 16 divisors (see below), whose sum is σ = 1822559220720. Its totient is φ = 1040521402368.

The previous prime is 1409676540799. The next prime is 1409676540817. The reversal of 1409676540805 is 5080456769041.

It is a Cunningham number, because it is equal to 1187298²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 130970162404 + 1278706378401 = 361898^2 + 1130799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409676540805 - 2²³ = 1409668152197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4756140 + ... + 5043829.

It is an arithmetic number, because the mean of its divisors is an integer number (113909951295).

Almost surely, 2^{1409676540805} is an apocalyptic number.

It is an amenable number.

1409676540805 is a deficient number, since it is larger than the sum of its proper divisors (412882679915).

1409676540805 is a wasteful number, since it uses less digits than its factorization.

1409676540805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802200.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 1409676540805 in words is "one trillion, four hundred nine billion, six hundred seventy-six million, five hundred forty thousand, eight hundred five".