932138693 has 2 divisors, whose sum is σ = 932138694. Its totient is φ = 932138692.

The previous prime is 932138671. The next prime is 932138717. The reversal of 932138693 is 396831239.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 923126689 + 9012004 = 30383^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 932138693 - 2⁶ = 932138629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (932138653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466069346 + 466069347.

It is an arithmetic number, because the mean of its divisors is an integer number (466069347).

Almost surely, 2^932138693 is an apocalyptic number.

It is an amenable number.

932138693 is a deficient number, since it is larger than the sum of its proper divisors (1).

932138693 is an equidigital number, since it uses as much as digits as its factorization.

932138693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 932138693 is about 30530.9464805793. The cubic root of 932138693 is about 976.8476707682.

The spelling of 932138693 in words is "nine hundred thirty-two million, one hundred thirty-eight thousand, six hundred ninety-three".