2361760721 has 2 divisors, whose sum is σ = 2361760722. Its totient is φ = 2361760720.

The previous prime is 2361760711. The next prime is 2361760757. The reversal of 2361760721 is 1270671632.

2361760721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1541740225 + 820020496 = 39265^2 + 28636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2361760721 - 2⁶ = 2361760657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2361760711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180880360 + 1180880361.

It is an arithmetic number, because the mean of its divisors is an integer number (1180880361).

Almost surely, 2^2361760721 is an apocalyptic number.

It is an amenable number.

2361760721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2361760721 is an equidigital number, since it uses as much as digits as its factorization.

2361760721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 2361760721 is about 48597.9497612811. The cubic root of 2361760721 is about 1331.7170656271.

The spelling of 2361760721 in words is "two billion, three hundred sixty-one million, seven hundred sixty thousand, seven hundred twenty-one".