2405406084289 has 4 divisors (see below), whose sum is σ = 2590437321556. Its totient is φ = 2220374847024.

The previous prime is 2405406084251. The next prime is 2405406084329. The reversal of 2405406084289 is 9824806045042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1619594752689 + 785811331600 = 1272633^2 + 886460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405406084289 - 2¹¹ = 2405406082241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2405406084089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92515618614 + ... + 92515618639.

It is an arithmetic number, because the mean of its divisors is an integer number (647609330389).

Almost surely, 2^{2405406084289} is an apocalyptic number.

It is an amenable number.

2405406084289 is a deficient number, since it is larger than the sum of its proper divisors (185031237267).

2405406084289 is a wasteful number, since it uses less digits than its factorization.

2405406084289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185031237266.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 2405406084289 in words is "two trillion, four hundred five billion, four hundred six million, eighty-four thousand, two hundred eighty-nine".