455901493 has 2 divisors, whose sum is σ = 455901494. Its totient is φ = 455901492.

The previous prime is 455901491. The next prime is 455901497. The reversal of 455901493 is 394109554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323352324 + 132549169 = 17982^2 + 11513^2 .

It is a cyclic number.

It is not a de Polignac number, because 455901493 - 2¹ = 455901491 is a prime.

Together with 455901491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455901491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227950746 + 227950747.

It is an arithmetic number, because the mean of its divisors is an integer number (227950747).

Almost surely, 2^455901493 is an apocalyptic number.

It is an amenable number.

455901493 is a deficient number, since it is larger than the sum of its proper divisors (1).

455901493 is an equidigital number, since it uses as much as digits as its factorization.

455901493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 455901493 is about 21351.8498730204. The cubic root of 455901493 is about 769.6447976585.

The spelling of 455901493 in words is "four hundred fifty-five million, nine hundred one thousand, four hundred ninety-three".