4352632721 has 2 divisors, whose sum is σ = 4352632722. Its totient is φ = 4352632720.

The previous prime is 4352632681. The next prime is 4352632741. The reversal of 4352632721 is 1272362534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2448270400 + 1904362321 = 49480^2 + 43639^2 .

It is a cyclic number.

It is not a de Polignac number, because 4352632721 - 2¹⁴ = 4352616337 is a prime.

It is not a weakly prime, because it can be changed into another prime (4352632741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176316360 + 2176316361.

It is an arithmetic number, because the mean of its divisors is an integer number (2176316361).

Almost surely, 2^4352632721 is an apocalyptic number.

It is an amenable number.

4352632721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4352632721 is an equidigital number, since it uses as much as digits as its factorization.

4352632721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 4352632721 is about 65974.4853788190. The cubic root of 4352632721 is about 1632.7411591417.

The spelling of 4352632721 in words is "four billion, three hundred fifty-two million, six hundred thirty-two thousand, seven hundred twenty-one".