2081837654 has 32 divisors (see below), whose sum is σ = 3417089760. Its totient is φ = 951132000.

The previous prime is 2081837633. The next prime is 2081837669. The reversal of 2081837654 is 4567381802.

It is a super-2 number, since 2×2081837654² = 8668096035224447432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441449 + ... + 446139.

It is an arithmetic number, because the mean of its divisors is an integer number (106784055).

Almost surely, 2^2081837654 is an apocalyptic number.

2081837654 is a deficient number, since it is larger than the sum of its proper divisors (1335252106).

2081837654 is a wasteful number, since it uses less digits than its factorization.

2081837654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4833 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2081837654 is about 45627.1591708272. The cubic root of 2081837654 is about 1276.8766733026.

The spelling of 2081837654 in words is "two billion, eighty-one million, eight hundred thirty-seven thousand, six hundred fifty-four".