2652037721 has 2 divisors, whose sum is σ = 2652037722. Its totient is φ = 2652037720.

The previous prime is 2652037711. The next prime is 2652037783. The reversal of 2652037721 is 1277302562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2645662096 + 6375625 = 51436^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2652037721 - 2⁶ = 2652037657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2652037711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326018860 + 1326018861.

It is an arithmetic number, because the mean of its divisors is an integer number (1326018861).

Almost surely, 2^2652037721 is an apocalyptic number.

It is an amenable number.

2652037721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2652037721 is an equidigital number, since it uses as much as digits as its factorization.

2652037721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 2652037721 is about 51497.9389975948. The cubic root of 2652037721 is about 1384.1821114302.

The spelling of 2652037721 in words is "two billion, six hundred fifty-two million, thirty-seven thousand, seven hundred twenty-one".