4671638948 has 12 divisors (see below), whose sum is σ = 8178505692. Its totient is φ = 2334923040.

The previous prime is 4671638911. The next prime is 4671638953. The reversal of 4671638948 is 8498361764.

It can be written as a sum of positive squares in 2 ways, for example, as 1897299364 + 2774339584 = 43558^2 + 52672^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4671638893 and 4671638902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212315 + ... + 233282.

It is an arithmetic number, because the mean of its divisors is an integer number (681542141).

Almost surely, 2^4671638948 is an apocalyptic number.

It is an amenable number.

4671638948 is a deficient number, since it is larger than the sum of its proper divisors (3506866744).

4671638948 is a wasteful number, since it uses less digits than its factorization.

4671638948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448222 (or 448220 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 56.

The square root of 4671638948 is about 68349.3887902445. The cubic root of 4671638948 is about 1671.6926135511.

The spelling of 4671638948 in words is "four billion, six hundred seventy-one million, six hundred thirty-eight thousand, nine hundred forty-eight".