182270449457 has 2 divisors, whose sum is σ = 182270449458. Its totient is φ = 182270449456.

The previous prime is 182270449447. The next prime is 182270449481. The reversal of 182270449457 is 754944072281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172437545536 + 9832903921 = 415256^2 + 99161^2 .

It is a cyclic number.

It is not a de Polignac number, because 182270449457 - 2⁸ = 182270449201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 182270449399 and 182270449408.

It is not a weakly prime, because it can be changed into another prime (182270449447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91135224728 + 91135224729.

It is an arithmetic number, because the mean of its divisors is an integer number (91135224729).

Almost surely, 2^182270449457 is an apocalyptic number.

It is an amenable number.

182270449457 is a deficient number, since it is larger than the sum of its proper divisors (1).

182270449457 is an equidigital number, since it uses as much as digits as its factorization.

182270449457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 182270449457 in words is "one hundred eighty-two billion, two hundred seventy million, four hundred forty-nine thousand, four hundred fifty-seven".