2064423655 has 24 divisors (see below), whose sum is σ = 2918272320. Its totient is φ = 1397672640.

The previous prime is 2064423643. The next prime is 2064423707. The reversal of 2064423655 is 5563244602.

It is not a de Polignac number, because 2064423655 - 2⁵ = 2064423623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33976 + ... + 72685.

It is an arithmetic number, because the mean of its divisors is an integer number (121594680).

Almost surely, 2^2064423655 is an apocalyptic number.

2064423655 is a deficient number, since it is larger than the sum of its proper divisors (853848665).

2064423655 is a wasteful number, since it uses less digits than its factorization.

2064423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106759 (or 106752 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2064423655 is about 45435.9291200257. The cubic root of 2064423655 is about 1273.3064594546.

The spelling of 2064423655 in words is "two billion, sixty-four million, four hundred twenty-three thousand, six hundred fifty-five".