2069551855 has 8 divisors (see below), whose sum is σ = 2838242592. Its totient is φ = 1419121248.

The previous prime is 2069551849. The next prime is 2069551871. The reversal of 2069551855 is 5581559602.

2069551855 is digitally balanced in base 6, 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 2069551855 - 2⁵ = 2069551823 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 29564992 + ... + 29565061.

It is an arithmetic number, because the mean of its divisors is an integer number (354780324).

Almost surely, 2^2069551855 is an apocalyptic number.

2069551855 is a deficient number, since it is larger than the sum of its proper divisors (768690737).

2069551855 is an equidigital number, since it uses as much as digits as its factorization.

2069551855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59130065.

The product of its (nonzero) digits is 540000, while the sum is 46.

The square root of 2069551855 is about 45492.3274300184. The cubic root of 2069551855 is about 1274.3599206775.

The spelling of 2069551855 in words is "two billion, sixty-nine million, five hundred fifty-one thousand, eight hundred fifty-five".