6948980721 has 24 divisors (see below), whose sum is σ = 10134581184. Its totient is φ = 4588014240.

The previous prime is 6948980683. The next prime is 6948980723. The reversal of 6948980721 is 1270898496.

6948980721 is a `hidden beast` number, since 69 + 489 + 80 + 7 + 21 = 666.

It is not a de Polignac number, because 6948980721 - 2¹⁵ = 6948947953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6948980723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407986 + ... + 424676.

It is an arithmetic number, because the mean of its divisors is an integer number (422274216).

Almost surely, 2^6948980721 is an apocalyptic number.

It is an amenable number.

6948980721 is a deficient number, since it is larger than the sum of its proper divisors (3185600463).

6948980721 is a wasteful number, since it uses less digits than its factorization.

6948980721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17141 (or 17138 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 6948980721 is about 83360.5465493119. The cubic root of 6948980721 is about 1908.2723997316.

The spelling of 6948980721 in words is "six billion, nine hundred forty-eight million, nine hundred eighty thousand, seven hundred twenty-one".