2064381438 has 16 divisors (see below), whose sum is σ = 4718586240. Its totient is φ = 589823256.

The previous prime is 2064381427. The next prime is 2064381479. The reversal of 2064381438 is 8341834602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2064381396 and 2064381405.

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, 24575928 + ... + 24576011.

It is an arithmetic number, because the mean of its divisors is an integer number (294911640).

Almost surely, 2^2064381438 is an apocalyptic number.

2064381438 is an abundant number, since it is smaller than the sum of its proper divisors (2654204802).

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

2064381438 is a wasteful number, since it uses less digits than its factorization.

2064381438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49151951.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2064381438 is about 45435.4645403786. The cubic root of 2064381438 is about 1273.2977797851.

The spelling of 2064381438 in words is "two billion, sixty-four million, three hundred eighty-one thousand, four hundred thirty-eight".