7820163433 has 2 divisors, whose sum is σ = 7820163434. Its totient is φ = 7820163432.

The previous prime is 7820163401. The next prime is 7820163443. The reversal of 7820163433 is 3343610287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6917581584 + 902581849 = 83172^2 + 30043^2 .

It is a cyclic number.

It is not a de Polignac number, because 7820163433 - 2⁵ = 7820163401 is a prime.

It is a super-2 number, since 2×7820163433² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7820163392 and 7820163401.

It is not a weakly prime, because it can be changed into another prime (7820163443) 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, 3910081716 + 3910081717.

It is an arithmetic number, because the mean of its divisors is an integer number (3910081717).

Almost surely, 2^7820163433 is an apocalyptic number.

It is an amenable number.

7820163433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7820163433 is an equidigital number, since it uses as much as digits as its factorization.

7820163433 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 37.

The square root of 7820163433 is about 88431.6879461203. The cubic root of 7820163433 is about 1984.8998998223.

The spelling of 7820163433 in words is "seven billion, eight hundred twenty million, one hundred sixty-three thousand, four hundred thirty-three".