4322970781 has 2 divisors, whose sum is σ = 4322970782. Its totient is φ = 4322970780.

The previous prime is 4322970761. The next prime is 4322970793. The reversal of 4322970781 is 1870792234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3328136100 + 994834681 = 57690^2 + 31541^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322970781 - 2¹⁷ = 4322839709 is a prime.

It is a super-2 number, since 2×4322970781² = 37376152746759499922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4322970731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161485390 + 2161485391.

It is an arithmetic number, because the mean of its divisors is an integer number (2161485391).

Almost surely, 2^4322970781 is an apocalyptic number.

It is an amenable number.

4322970781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4322970781 is an equidigital number, since it uses as much as digits as its factorization.

4322970781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 4322970781 is about 65749.3025134107. The cubic root of 4322970781 is about 1629.0238149808.

The spelling of 4322970781 in words is "four billion, three hundred twenty-two million, nine hundred seventy thousand, seven hundred eighty-one".