913944377 has 2 divisors, whose sum is σ = 913944378. Its totient is φ = 913944376.

The previous prime is 913944373. The next prime is 913944431. The reversal of 913944377 is 773449319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 895445776 + 18498601 = 29924^2 + 4301^2 .

It is a cyclic number.

It is not a de Polignac number, because 913944377 - 2² = 913944373 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (913944373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456972188 + 456972189.

It is an arithmetic number, because the mean of its divisors is an integer number (456972189).

Almost surely, 2^913944377 is an apocalyptic number.

It is an amenable number.

913944377 is a deficient number, since it is larger than the sum of its proper divisors (1).

913944377 is an equidigital number, since it uses as much as digits as its factorization.

913944377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 913944377 is about 30231.5129790092. The cubic root of 913944377 is about 970.4502026793.

The spelling of 913944377 in words is "nine hundred thirteen million, nine hundred forty-four thousand, three hundred seventy-seven".