9138697033 has 2 divisors, whose sum is σ = 9138697034. Its totient is φ = 9138697032.

The previous prime is 9138697031. The next prime is 9138697067. The reversal of 9138697033 is 3307968319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8778190864 + 360506169 = 93692^2 + 18987^2 .

It is a cyclic number.

It is not a de Polignac number, because 9138697033 - 2¹ = 9138697031 is a prime.

Together with 9138697031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9138697031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569348516 + 4569348517.

It is an arithmetic number, because the mean of its divisors is an integer number (4569348517).

Almost surely, 2^9138697033 is an apocalyptic number.

It is an amenable number.

9138697033 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138697033 is an equidigital number, since it uses as much as digits as its factorization.

9138697033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 9138697033 is about 95596.5325364890. The cubic root of 9138697033 is about 2090.7146379814.

The spelling of 9138697033 in words is "nine billion, one hundred thirty-eight million, six hundred ninety-seven thousand, thirty-three".