938441969 has 2 divisors, whose sum is σ = 938441970. Its totient is φ = 938441968.

The previous prime is 938441953. The next prime is 938441981. The reversal of 938441969 is 969144839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 673143025 + 265298944 = 25945^2 + 16288^2 .

It is a cyclic number.

It is not a de Polignac number, because 938441969 - 2⁴ = 938441953 is a prime.

It is a super-2 number, since 2×938441969² = 1761346658361193922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938441969.

It is not a weakly prime, because it can be changed into another prime (938441069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469220984 + 469220985.

It is an arithmetic number, because the mean of its divisors is an integer number (469220985).

Almost surely, 2^938441969 is an apocalyptic number.

It is an amenable number.

938441969 is a deficient number, since it is larger than the sum of its proper divisors (1).

938441969 is an equidigital number, since it uses as much as digits as its factorization.

938441969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 53.

The square root of 938441969 is about 30634.0002121825. Note that the first 3 decimals coincide. The cubic root of 938441969 is about 979.0445946974.

The spelling of 938441969 in words is "nine hundred thirty-eight million, four hundred forty-one thousand, nine hundred sixty-nine".