4874971638 has 32 divisors (see below), whose sum is σ = 9799148160. Its totient is φ = 1616811840.

The previous prime is 4874971637. The next prime is 4874971639. The reversal of 4874971638 is 8361794784.

It is an interprime number because it is at equal distance from previous prime (4874971637) and next prime (4874971639).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4874971631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036873 + ... + 1041563.

It is an arithmetic number, because the mean of its divisors is an integer number (306223380).

Almost surely, 2^4874971638 is an apocalyptic number.

4874971638 is an abundant number, since it is smaller than the sum of its proper divisors (4924176522).

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

4874971638 is a wasteful number, since it uses less digits than its factorization.

4874971638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532.

The product of its digits is 8128512, while the sum is 57.

The square root of 4874971638 is about 69820.9971140487. The cubic root of 4874971638 is about 1695.6024332430.

The spelling of 4874971638 in words is "four billion, eight hundred seventy-four million, nine hundred seventy-one thousand, six hundred thirty-eight".