1049605605 has 24 divisors (see below), whose sum is σ = 1820565240. Its totient is φ = 559405440.

The previous prime is 1049605577. The next prime is 1049605639. The reversal of 1049605605 is 5065069401.

1049605605 is a `hidden beast` number, since 1 + 0 + 4 + 96 + 0 + 560 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124411716 + 925193889 = 11154^2 + 30417^2 .

It is not a de Polignac number, because 1049605605 - 2⁷ = 1049605477 is a prime.

It is a super-2 number, since 2×1049605605² = 2203343852094832050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049605605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65751 + ... + 80139.

It is an arithmetic number, because the mean of its divisors is an integer number (75856885).

Almost surely, 2^1049605605 is an apocalyptic number.

1049605605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1049605605 is a deficient number, since it is larger than the sum of its proper divisors (770959635).

1049605605 is a wasteful number, since it uses less digits than its factorization.

1049605605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021 (or 16018 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1049605605 is about 32397.6172734971. The cubic root of 1049605605 is about 1016.2690832144.

The spelling of 1049605605 in words is "one billion, forty-nine million, six hundred five thousand, six hundred five".