6671949124 has 9 divisors (see below), whose sum is σ = 11676196861. Its totient is φ = 3335892880.

The previous prime is 6671949041. The next prime is 6671949131. The reversal of 6671949124 is 4219491766.

The square root of 6671949124 is 81682.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6133709124 + 538240000 = 78318^2 + 23200^2 .

It is a super-2 number, since 2×6671949124² = 89029810226488734752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 142944 + ... + 183784.

Almost surely, 2^6671949124 is an apocalyptic number.

6671949124 is the 81682-nd square number.

It is an amenable number.

6671949124 is a deficient number, since it is larger than the sum of its proper divisors (5004247737).

6671949124 is an frugal number, since it uses more digits than its factorization.

6671949124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81686 (or 40843 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The cubic root of 6671949124 is about 1882.5690247920.

Multiplying 6671949124 by its sum of digits (49), we get a square (326925507076 = 571774²).

The spelling of 6671949124 in words is "six billion, six hundred seventy-one million, nine hundred forty-nine thousand, one hundred twenty-four".