2105653455 has 64 divisors (see below), whose sum is σ = 3954339840. Its totient is φ = 1061424000.

The previous prime is 2105653447. The next prime is 2105653471. The reversal of 2105653455 is 5543565012.

2105653455 is a `hidden beast` number, since 2 + 10 + 565 + 34 + 55 = 666.

It is not a de Polignac number, because 2105653455 - 2³ = 2105653447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 174105 + ... + 185805.

It is an arithmetic number, because the mean of its divisors is an integer number (61786560).

Almost surely, 2^2105653455 is an apocalyptic number.

2105653455 is a deficient number, since it is larger than the sum of its proper divisors (1848686385).

2105653455 is a wasteful number, since it uses less digits than its factorization.

2105653455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789 (or 11783 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2105653455 is about 45887.3997411054. The cubic root of 2105653455 is about 1281.7272935063.

The spelling of 2105653455 in words is "two billion, one hundred five million, six hundred fifty-three thousand, four hundred fifty-five".