2065554654 has 8 divisors (see below), whose sum is σ = 4131109320. Its totient is φ = 688518216.

The previous prime is 2065554613. The next prime is 2065554677. The reversal of 2065554654 is 4564555602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2065554654 is an admirable number.

It is a super-2 number, since 2×2065554654² = 8533032057322119432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172129549 + ... + 172129560.

It is an arithmetic number, because the mean of its divisors is an integer number (516388665).

Almost surely, 2^2065554654 is an apocalyptic number.

2065554654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065554654 is a wasteful number, since it uses less digits than its factorization.

2065554654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344259114.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 2065554654 is about 45448.3735022498. The cubic root of 2065554654 is about 1273.5389449105.

The spelling of 2065554654 in words is "two billion, sixty-five million, five hundred fifty-four thousand, six hundred fifty-four".