38994329434933 has 2 divisors, whose sum is σ = 38994329434934. Its totient is φ = 38994329434932.

The previous prime is 38994329434901. The next prime is 38994329434969. The reversal of 38994329434933 is 33943492349983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26723089235844 + 12271240199089 = 5169438^2 + 3503033^2 .

It is a cyclic number.

It is not a de Polignac number, because 38994329434933 - 2⁵ = 38994329434901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38994329434433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497164717466 + 19497164717467.

It is an arithmetic number, because the mean of its divisors is an integer number (19497164717467).

Almost surely, 2^{38994329434933} is an apocalyptic number.

It is an amenable number.

38994329434933 is a deficient number, since it is larger than the sum of its proper divisors (1).

38994329434933 is an equidigital number, since it uses as much as digits as its factorization.

38994329434933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632586752, while the sum is 73.

The spelling of 38994329434933 in words is "thirty-eight trillion, nine hundred ninety-four billion, three hundred twenty-nine million, four hundred thirty-four thousand, nine hundred thirty-three".