913938871 has 2 divisors, whose sum is σ = 913938872. Its totient is φ = 913938870.

The previous prime is 913938859. The next prime is 913938877. The reversal of 913938871 is 178839319.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913938871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913938877) 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, 456969435 + 456969436.

It is an arithmetic number, because the mean of its divisors is an integer number (456969436).

Almost surely, 2^913938871 is an apocalyptic number.

913938871 is a deficient number, since it is larger than the sum of its proper divisors (1).

913938871 is an equidigital number, since it uses as much as digits as its factorization.

913938871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 49.

The square root of 913938871 is about 30231.4219149546. The cubic root of 913938871 is about 970.4482538701.

The spelling of 913938871 in words is "nine hundred thirteen million, nine hundred thirty-eight thousand, eight hundred seventy-one".