938540708929 has 2 divisors, whose sum is σ = 938540708930. Its totient is φ = 938540708928.

The previous prime is 938540708783. The next prime is 938540708957. The reversal of 938540708929 is 929807045839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 711323560000 + 227217148929 = 843400^2 + 476673^2 .

It is a cyclic number.

It is not a de Polignac number, because 938540708929 - 2¹³ = 938540700737 is a prime.

It is not a weakly prime, because it can be changed into another prime (938540708129) 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, 469270354464 + 469270354465.

It is an arithmetic number, because the mean of its divisors is an integer number (469270354465).

Almost surely, 2^938540708929 is an apocalyptic number.

It is an amenable number.

938540708929 is a deficient number, since it is larger than the sum of its proper divisors (1).

938540708929 is an equidigital number, since it uses as much as digits as its factorization.

938540708929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 938540708929 in words is "nine hundred thirty-eight billion, five hundred forty million, seven hundred eight thousand, nine hundred twenty-nine".