4320960781 has 2 divisors, whose sum is σ = 4320960782. Its totient is φ = 4320960780.

The previous prime is 4320960773. The next prime is 4320960793. The reversal of 4320960781 is 1870690234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4320958756 + 2025 = 65734^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320960781 - 2³ = 4320960773 is a prime.

It is a super-2 number, since 2×4320960781² = 37341404141880259922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320960701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160480390 + 2160480391.

It is an arithmetic number, because the mean of its divisors is an integer number (2160480391).

Almost surely, 2^4320960781 is an apocalyptic number.

It is an amenable number.

4320960781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320960781 is an equidigital number, since it uses as much as digits as its factorization.

4320960781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4320960781 is about 65734.0154029860. The cubic root of 4320960781 is about 1628.7712999364.

The spelling of 4320960781 in words is "four billion, three hundred twenty million, nine hundred sixty thousand, seven hundred eighty-one".