2101865486732 has 24 divisors (see below), whose sum is σ = 4035846829392. Its totient is φ = 949870894400.

The previous prime is 2101865486717. The next prime is 2101865486759. The reversal of 2101865486732 is 2376845681012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138055019 + ... + 138070242.

It is an arithmetic number, because the mean of its divisors is an integer number (168160284558).

Almost surely, 2^{2101865486732} is an apocalyptic number.

2101865486732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2101865486732 is a deficient number, since it is larger than the sum of its proper divisors (1933981342660).

2101865486732 is a wasteful number, since it uses less digits than its factorization.

2101865486732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276125449 (or 276125447 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 2101865486732 in words is "two trillion, one hundred one billion, eight hundred sixty-five million, four hundred eighty-six thousand, seven hundred thirty-two".