2838612661 has 8 divisors (see below), whose sum is σ = 2889756000. Its totient is φ = 2787570480.

The previous prime is 2838612653. The next prime is 2838612677. The reversal of 2838612661 is 1662168382.

2838612661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2838612661 - 2³ = 2838612653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2838612631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32515 + ... + 82063.

It is an arithmetic number, because the mean of its divisors is an integer number (361219500).

Almost surely, 2^2838612661 is an apocalyptic number.

It is an amenable number.

2838612661 is a deficient number, since it is larger than the sum of its proper divisors (51143339).

2838612661 is an equidigital number, since it uses as much as digits as its factorization.

2838612661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50579.

The product of its digits is 165888, while the sum is 43.

The square root of 2838612661 is about 53278.6323116500. The cubic root of 2838612661 is about 1415.9091180686.

The spelling of 2838612661 in words is "two billion, eight hundred thirty-eight million, six hundred twelve thousand, six hundred sixty-one".