2063811438 has 72 divisors (see below), whose sum is σ = 4856014800. Its totient is φ = 633185280.

The previous prime is 2063811437. The next prime is 2063811469. The reversal of 2063811438 is 8341183602.

2063811438 is a `hidden beast` number, since 2 + 0 + 638 + 1 + 14 + 3 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063811437) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1365103 + ... + 1366613.

It is an arithmetic number, because the mean of its divisors is an integer number (67444650).

Almost surely, 2^2063811438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2063811438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2428007400).

2063811438 is an abundant number, since it is smaller than the sum of its proper divisors (2792203362).

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

2063811438 is a wasteful number, since it uses less digits than its factorization.

2063811438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2063811438 is about 45429.1914742052. The cubic root of 2063811438 is about 1273.1805781656.

The spelling of 2063811438 in words is "two billion, sixty-three million, eight hundred eleven thousand, four hundred thirty-eight".