146022721982009 has 2 divisors, whose sum is σ = 146022721982010. Its totient is φ = 146022721982008.

The previous prime is 146022721981901. The next prime is 146022721982023. The reversal of 146022721982009 is 900289127220641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115965222751225 + 30057499230784 = 10768715^2 + 5482472^2 .

It is a cyclic number.

It is not a de Polignac number, because 146022721982009 - 2³⁶ = 145954002505273 is a prime.

It is not a weakly prime, because it can be changed into another prime (146022721982209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73011360991004 + 73011360991005.

It is an arithmetic number, because the mean of its divisors is an integer number (73011360991005).

Almost surely, 2^{146022721982009} is an apocalyptic number.

It is an amenable number.

146022721982009 is a deficient number, since it is larger than the sum of its proper divisors (1).

146022721982009 is an equidigital number, since it uses as much as digits as its factorization.

146022721982009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 146022721982009 in words is "one hundred forty-six trillion, twenty-two billion, seven hundred twenty-one million, nine hundred eighty-two thousand, nine".