6981825124 has 6 divisors (see below), whose sum is σ = 12218193974. Its totient is φ = 3490912560.

The previous prime is 6981825113. The next prime is 6981825131. The reversal of 6981825124 is 4215281896.

It can be written as a sum of positive squares in only one way, i.e., 6491202624 + 490622500 = 80568^2 + 22150^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872728137 + ... + 872728144.

Almost surely, 2^6981825124 is an apocalyptic number.

It is an amenable number.

6981825124 is a deficient number, since it is larger than the sum of its proper divisors (5236368850).

6981825124 is a wasteful number, since it uses less digits than its factorization.

6981825124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745456285 (or 1745456283 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 6981825124 is about 83557.3164001813. The cubic root of 6981825124 is about 1911.2741627450.

The spelling of 6981825124 in words is "six billion, nine hundred eighty-one million, eight hundred twenty-five thousand, one hundred twenty-four".