9145933639 has 2 divisors, whose sum is σ = 9145933640. Its totient is φ = 9145933638.

The previous prime is 9145933583. The next prime is 9145933661. The reversal of 9145933639 is 9363395419.

9145933639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9145933639 - 2²¹ = 9143836487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9145933669) 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, 4572966819 + 4572966820.

It is an arithmetic number, because the mean of its divisors is an integer number (4572966820).

Almost surely, 2^9145933639 is an apocalyptic number.

9145933639 is a deficient number, since it is larger than the sum of its proper divisors (1).

9145933639 is an equidigital number, since it uses as much as digits as its factorization.

9145933639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 52.

The square root of 9145933639 is about 95634.3747770643. The cubic root of 9145933639 is about 2091.2663463283.

The spelling of 9145933639 in words is "nine billion, one hundred forty-five million, nine hundred thirty-three thousand, six hundred thirty-nine".