45163900321 has 2 divisors, whose sum is σ = 45163900322. Its totient is φ = 45163900320.

The previous prime is 45163900283. The next prime is 45163900337. The reversal of 45163900321 is 12300936154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33615389025 + 11548511296 = 183345^2 + 107464^2 .

It is a cyclic number.

It is not a de Polignac number, because 45163900321 - 2¹⁹ = 45163376033 is a prime.

It is not a weakly prime, because it can be changed into another prime (45163900351) 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, 22581950160 + 22581950161.

It is an arithmetic number, because the mean of its divisors is an integer number (22581950161).

Almost surely, 2^45163900321 is an apocalyptic number.

It is an amenable number.

45163900321 is a deficient number, since it is larger than the sum of its proper divisors (1).

45163900321 is an equidigital number, since it uses as much as digits as its factorization.

45163900321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 45163900321 in words is "forty-five billion, one hundred sixty-three million, nine hundred thousand, three hundred twenty-one".