938741893 has 2 divisors, whose sum is σ = 938741894. Its totient is φ = 938741892.

The previous prime is 938741831. The next prime is 938741933. The reversal of 938741893 is 398147839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790340769 + 148401124 = 28113^2 + 12182^2 .

It is a cyclic number.

It is not a de Polignac number, because 938741893 - 2¹³ = 938733701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938741893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938741813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469370946 + 469370947.

It is an arithmetic number, because the mean of its divisors is an integer number (469370947).

Almost surely, 2^938741893 is an apocalyptic number.

It is an amenable number.

938741893 is a deficient number, since it is larger than the sum of its proper divisors (1).

938741893 is an equidigital number, since it uses as much as digits as its factorization.

938741893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 938741893 is about 30638.8951008355. The cubic root of 938741893 is about 979.1488837581.

The spelling of 938741893 in words is "nine hundred thirty-eight million, seven hundred forty-one thousand, eight hundred ninety-three".