919453361 has 2 divisors, whose sum is σ = 919453362. Its totient is φ = 919453360.

The previous prime is 919453303. The next prime is 919453421. The reversal of 919453361 is 163354919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919241761 + 211600 = 30319^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 919453361 - 2²² = 915259057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (919458361) 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, 459726680 + 459726681.

It is an arithmetic number, because the mean of its divisors is an integer number (459726681).

Almost surely, 2^919453361 is an apocalyptic number.

It is an amenable number.

919453361 is a deficient number, since it is larger than the sum of its proper divisors (1).

919453361 is an equidigital number, since it uses as much as digits as its factorization.

919453361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 919453361 is about 30322.4893602092. The cubic root of 919453361 is about 972.3961594375.

The spelling of 919453361 in words is "nine hundred nineteen million, four hundred fifty-three thousand, three hundred sixty-one".