7971424033 has 2 divisors, whose sum is σ = 7971424034. Its totient is φ = 7971424032.

The previous prime is 7971423991. The next prime is 7971424051. The reversal of 7971424033 is 3304241797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7516369809 + 455054224 = 86697^2 + 21332^2 .

It is a cyclic number.

It is not a de Polignac number, because 7971424033 - 2¹³ = 7971415841 is a prime.

It is a super-2 number, since 2×7971424033² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7971424073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3985712016 + 3985712017.

It is an arithmetic number, because the mean of its divisors is an integer number (3985712017).

Almost surely, 2^7971424033 is an apocalyptic number.

It is an amenable number.

7971424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

7971424033 is an equidigital number, since it uses as much as digits as its factorization.

7971424033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 7971424033 is about 89282.8316811245. The cubic root of 7971424033 is about 1997.6158284089.

The spelling of 7971424033 in words is "seven billion, nine hundred seventy-one million, four hundred twenty-four thousand, thirty-three".