2105497076 has 6 divisors (see below), whose sum is σ = 3684619890. Its totient is φ = 1052748536.

The previous prime is 2105497007. The next prime is 2105497129. The reversal of 2105497076 is 6707945012.

It can be written as a sum of positive squares in only one way, i.e., 2072434576 + 33062500 = 45524^2 + 5750^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263187131 + ... + 263187138.

It is an arithmetic number, because the mean of its divisors is an integer number (614103315).

Almost surely, 2^2105497076 is an apocalyptic number.

It is an amenable number.

2105497076 is a deficient number, since it is larger than the sum of its proper divisors (1579122814).

2105497076 is a wasteful number, since it uses less digits than its factorization.

2105497076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526374273 (or 526374271 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 2105497076 is about 45885.6957667637. The cubic root of 2105497076 is about 1281.6955630247.

The spelling of 2105497076 in words is "two billion, one hundred five million, four hundred ninety-seven thousand, seventy-six".