2105771486 has 64 divisors (see below), whose sum is σ = 4068320256. Its totient is φ = 794534400.

The previous prime is 2105771483. The next prime is 2105771489. The reversal of 2105771486 is 6841775012.

It is an interprime number because it is at equal distance from previous prime (2105771483) and next prime (2105771489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105771483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2389766 + ... + 2390646.

It is an arithmetic number, because the mean of its divisors is an integer number (63567504).

Almost surely, 2^2105771486 is an apocalyptic number.

2105771486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2105771486 is a deficient number, since it is larger than the sum of its proper divisors (1962548770).

2105771486 is a wasteful number, since it uses less digits than its factorization.

2105771486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 2105771486 is about 45888.6858168765. The cubic root of 2105771486 is about 1281.7512418483.

The spelling of 2105771486 in words is "two billion, one hundred five million, seven hundred seventy-one thousand, four hundred eighty-six".