7329880421 has 2 divisors, whose sum is σ = 7329880422. Its totient is φ = 7329880420.

The previous prime is 7329880391. The next prime is 7329880457. The reversal of 7329880421 is 1240889237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7104129796 + 225750625 = 84286^2 + 15025^2 .

It is a cyclic number.

It is not a de Polignac number, because 7329880421 - 2¹⁰ = 7329879397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7329880121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3664940210 + 3664940211.

It is an arithmetic number, because the mean of its divisors is an integer number (3664940211).

Almost surely, 2^7329880421 is an apocalyptic number.

It is an amenable number.

7329880421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7329880421 is an equidigital number, since it uses as much as digits as its factorization.

7329880421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 7329880421 is about 85614.7208194946. The cubic root of 7329880421 is about 1942.5205856518.

The spelling of 7329880421 in words is "seven billion, three hundred twenty-nine million, eight hundred eighty thousand, four hundred twenty-one".