4388638054 has 4 divisors (see below), whose sum is σ = 6582957084. Its totient is φ = 2194319026.

The previous prime is 4388637983. The next prime is 4388638057. The reversal of 4388638054 is 4508368834.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4388637989 and 4388638007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4388638057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097159512 + ... + 1097159515.

It is an arithmetic number, because the mean of its divisors is an integer number (1645739271).

Almost surely, 2^4388638054 is an apocalyptic number.

4388638054 is a deficient number, since it is larger than the sum of its proper divisors (2194319030).

4388638054 is a wasteful number, since it uses less digits than its factorization.

4388638054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194319029.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The square root of 4388638054 is about 66246.7965565128. The cubic root of 4388638054 is about 1637.2308581142.

The spelling of 4388638054 in words is "four billion, three hundred eighty-eight million, six hundred thirty-eight thousand, fifty-four".