1605345241149 has 12 divisors (see below), whose sum is σ = 2497203708636. Its totient is φ = 987904763712.

The previous prime is 1605345241033. The next prime is 1605345241151. The reversal of 1605345241149 is 9411425435061.

1605345241149 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 3 + 4 + 524 + 114 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 603029902500 + 1002315338649 = 776550^2 + 1001157^2 .

It is not a de Polignac number, because 1605345241149 - 2¹² = 1605345237053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605345241189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6860449632 + ... + 6860449865.

It is an arithmetic number, because the mean of its divisors is an integer number (208100309053).

Almost surely, 2^{1605345241149} is an apocalyptic number.

It is an amenable number.

1605345241149 is a deficient number, since it is larger than the sum of its proper divisors (891858467487).

1605345241149 is a wasteful number, since it uses less digits than its factorization.

1605345241149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13720899516 (or 13720899513 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 1605345241149 in words is "one trillion, six hundred five billion, three hundred forty-five million, two hundred forty-one thousand, one hundred forty-nine".