2064428939 has 8 divisors (see below), whose sum is σ = 2110308720. Its totient is φ = 2018912256.

The previous prime is 2064428929. The next prime is 2064428957. The reversal of 2064428939 is 9398244602.

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 2064428939 - 2⁴ = 2064428923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2064428893 and 2064428902.

It is not an unprimeable number, because it can be changed into a prime (2064428929) 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, 79262 + ... + 102035.

It is an arithmetic number, because the mean of its divisors is an integer number (263788590).

Almost surely, 2^2064428939 is an apocalyptic number.

2064428939 is a deficient number, since it is larger than the sum of its proper divisors (45879781).

2064428939 is a wasteful number, since it uses less digits than its factorization.

2064428939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181549.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 2064428939 is about 45435.9872678035. The cubic root of 2064428939 is about 1273.3075458185.

The spelling of 2064428939 in words is "two billion, sixty-four million, four hundred twenty-eight thousand, nine hundred thirty-nine".