938268449 has 2 divisors, whose sum is σ = 938268450. Its totient is φ = 938268448.

The previous prime is 938268391. The next prime is 938268451. The reversal of 938268449 is 944862839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899580049 + 38688400 = 29993^2 + 6220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-938268449 is a prime.

Together with 938268451, it forms a pair of twin primes.

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 938268449.

It is not a weakly prime, because it can be changed into another prime (938261449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469134224 + 469134225.

It is an arithmetic number, because the mean of its divisors is an integer number (469134225).

Almost surely, 2^938268449 is an apocalyptic number.

It is an amenable number.

938268449 is a deficient number, since it is larger than the sum of its proper divisors (1).

938268449 is an equidigital number, since it uses as much as digits as its factorization.

938268449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 53.

The square root of 938268449 is about 30631.1679339851. The cubic root of 938268449 is about 978.9842484727.

The spelling of 938268449 in words is "nine hundred thirty-eight million, two hundred sixty-eight thousand, four hundred forty-nine".