2105298986 has 16 divisors (see below), whose sum is σ = 3619801536. Its totient is φ = 899591616.

The previous prime is 2105298941. The next prime is 2105299093. The reversal of 2105298986 is 6898925012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218396 + ... + 227831.

It is an arithmetic number, because the mean of its divisors is an integer number (226237596).

Almost surely, 2^2105298986 is an apocalyptic number.

2105298986 is a deficient number, since it is larger than the sum of its proper divisors (1514502550).

2105298986 is a wasteful number, since it uses less digits than its factorization.

2105298986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446573.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 2105298986 is about 45883.5372001767. The cubic root of 2105298986 is about 1281.6553668101.

The spelling of 2105298986 in words is "two billion, one hundred five million, two hundred ninety-eight thousand, nine hundred eighty-six".