6990720941 has 2 divisors, whose sum is σ = 6990720942. Its totient is φ = 6990720940.

The previous prime is 6990720929. The next prime is 6990721009. The reversal of 6990720941 is 1490270996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6472202500 + 518518441 = 80450^2 + 22771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6990720941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6990722941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495360470 + 3495360471.

It is an arithmetic number, because the mean of its divisors is an integer number (3495360471).

Almost surely, 2^6990720941 is an apocalyptic number.

It is an amenable number.

6990720941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6990720941 is an equidigital number, since it uses as much as digits as its factorization.

6990720941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 6990720941 is about 83610.5312804553. The cubic root of 6990720941 is about 1912.0855613347.

The spelling of 6990720941 in words is "six billion, nine hundred ninety million, seven hundred twenty thousand, nine hundred forty-one".