911481427 has 2 divisors, whose sum is σ = 911481428. Its totient is φ = 911481426.

The previous prime is 911481409. The next prime is 911481443. The reversal of 911481427 is 724184119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 911481427 - 2¹⁹ = 910957139 is a prime.

It is not a weakly prime, because it can be changed into another prime (911481407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455740713 + 455740714.

It is an arithmetic number, because the mean of its divisors is an integer number (455740714).

Almost surely, 2^911481427 is an apocalyptic number.

911481427 is a deficient number, since it is larger than the sum of its proper divisors (1).

911481427 is an equidigital number, since it uses as much as digits as its factorization.

911481427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 911481427 is about 30190.7506862615. The cubic root of 911481427 is about 969.5776767126.

The spelling of 911481427 in words is "nine hundred eleven million, four hundred eighty-one thousand, four hundred twenty-seven".