914548991 has 2 divisors, whose sum is σ = 914548992. Its totient is φ = 914548990.

The previous prime is 914548981. The next prime is 914549003. The reversal of 914548991 is 199845419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 914548991 - 2⁶ = 914548927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914548981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457274495 + 457274496.

It is an arithmetic number, because the mean of its divisors is an integer number (457274496).

Almost surely, 2^914548991 is an apocalyptic number.

914548991 is a deficient number, since it is larger than the sum of its proper divisors (1).

914548991 is an equidigital number, since it uses as much as digits as its factorization.

914548991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 50.

The square root of 914548991 is about 30241.5110568239. The cubic root of 914548991 is about 970.6641538616.

The spelling of 914548991 in words is "nine hundred fourteen million, five hundred forty-eight thousand, nine hundred ninety-one".