3450661605 has 12 divisors (see below), whose sum is σ = 5981146860. Its totient is φ = 1840352832.

The previous prime is 3450661531. The next prime is 3450661691. The reversal of 3450661605 is 5061660543.

3450661605 is a `hidden beast` number, since 3 + 45 + 0 + 6 + 6 + 1 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 897481764 + 2553179841 = 29958^2 + 50529^2 .

It is not a de Polignac number, because 3450661605 - 2¹⁰ = 3450660581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3450661605.

It is a congruent number.

It is an unprimeable number.

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, 38340640 + ... + 38340729.

It is an arithmetic number, because the mean of its divisors is an integer number (498428905).

Almost surely, 2^3450661605 is an apocalyptic number.

It is an amenable number.

3450661605 is a deficient number, since it is larger than the sum of its proper divisors (2530485255).

3450661605 is a wasteful number, since it uses less digits than its factorization.

3450661605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76681380 (or 76681377 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3450661605 is about 58742.3323081404. The cubic root of 3450661605 is about 1511.1263915468.

The spelling of 3450661605 in words is "three billion, four hundred fifty million, six hundred sixty-one thousand, six hundred five".