2700417721 has 2 divisors, whose sum is σ = 2700417722. Its totient is φ = 2700417720.

The previous prime is 2700417703. The next prime is 2700417739. The reversal of 2700417721 is 1277140072.

2700417721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2700417703) and next prime (2700417739).

It can be written as a sum of positive squares in only one way, i.e., 2290962496 + 409455225 = 47864^2 + 20235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2700417721 - 2⁵ = 2700417689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2700417761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1350208860 + 1350208861.

It is an arithmetic number, because the mean of its divisors is an integer number (1350208861).

Almost surely, 2^2700417721 is an apocalyptic number.

It is an amenable number.

2700417721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2700417721 is an equidigital number, since it uses as much as digits as its factorization.

2700417721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 2700417721 is about 51965.5435938084. The cubic root of 2700417721 is about 1392.5484570893.

Adding to 2700417721 its reverse (1277140072), we get a palindrome (3977557793).

The spelling of 2700417721 in words is "two billion, seven hundred million, four hundred seventeen thousand, seven hundred twenty-one".