4908723638 has 48 divisors (see below), whose sum is σ = 9126224640. Its totient is φ = 1938894048.

The previous prime is 4908723637. The next prime is 4908723643. The reversal of 4908723638 is 8363278094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4908723637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2097473 + ... + 2099811.

It is an arithmetic number, because the mean of its divisors is an integer number (190129680).

Almost surely, 2^4908723638 is an apocalyptic number.

4908723638 is a deficient number, since it is larger than the sum of its proper divisors (4217501002).

4908723638 is a wasteful number, since it uses less digits than its factorization.

4908723638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3248 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 4908723638 is about 70062.2839907464. The cubic root of 4908723638 is about 1699.5066201453.

The spelling of 4908723638 in words is "four billion, nine hundred eight million, seven hundred twenty-three thousand, six hundred thirty-eight".