455449782251 has 2 divisors, whose sum is σ = 455449782252. Its totient is φ = 455449782250.

The previous prime is 455449782241. The next prime is 455449782259. The reversal of 455449782251 is 152287944554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 455449782251 - 2¹⁸ = 455449520107 is a prime.

It is a super-3 number, since 3×455449782251³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (455449782259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227724891125 + 227724891126.

It is an arithmetic number, because the mean of its divisors is an integer number (227724891126).

Almost surely, 2^455449782251 is an apocalyptic number.

455449782251 is a deficient number, since it is larger than the sum of its proper divisors (1).

455449782251 is an equidigital number, since it uses as much as digits as its factorization.

455449782251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128000, while the sum is 56.

The spelling of 455449782251 in words is "four hundred fifty-five billion, four hundred forty-nine million, seven hundred eighty-two thousand, two hundred fifty-one".