2161446627433 has 2 divisors, whose sum is σ = 2161446627434. Its totient is φ = 2161446627432.

The previous prime is 2161446627413. The next prime is 2161446627451. The reversal of 2161446627433 is 3347266441612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2126032280464 + 35414346969 = 1458092^2 + 188187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2161446627433 - 2⁵ = 2161446627401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2161446627413) 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, 1080723313716 + 1080723313717.

It is an arithmetic number, because the mean of its divisors is an integer number (1080723313717).

Almost surely, 2^{2161446627433} is an apocalyptic number.

It is an amenable number.

2161446627433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161446627433 is an equidigital number, since it uses as much as digits as its factorization.

2161446627433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 49.

The spelling of 2161446627433 in words is "two trillion, one hundred sixty-one billion, four hundred forty-six million, six hundred twenty-seven thousand, four hundred thirty-three".