183012900472321 has 2 divisors, whose sum is σ = 183012900472322. Its totient is φ = 183012900472320.

The previous prime is 183012900472273. The next prime is 183012900472331. The reversal of 183012900472321 is 123274009210381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147308929393921 + 35703971078400 = 12137089^2 + 5975280^2 .

It is a cyclic number.

It is not a de Polignac number, because 183012900472321 - 2¹¹ = 183012900470273 is a prime.

It is not a weakly prime, because it can be changed into another prime (183012900472331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91506450236160 + 91506450236161.

It is an arithmetic number, because the mean of its divisors is an integer number (91506450236161).

Almost surely, 2^{183012900472321} is an apocalyptic number.

It is an amenable number.

183012900472321 is a deficient number, since it is larger than the sum of its proper divisors (1).

183012900472321 is an equidigital number, since it uses as much as digits as its factorization.

183012900472321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 183012900472321 in words is "one hundred eighty-three trillion, twelve billion, nine hundred million, four hundred seventy-two thousand, three hundred twenty-one".