146974422809 has 2 divisors, whose sum is σ = 146974422810. Its totient is φ = 146974422808.

The previous prime is 146974422769. The next prime is 146974422821. The reversal of 146974422809 is 908224479641.

It is a happy number.

146974422809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98341824025 + 48632598784 = 313595^2 + 220528^2 .

It is a cyclic number.

It is not a de Polignac number, because 146974422809 - 2²⁸ = 146705987353 is a prime.

It is not a weakly prime, because it can be changed into another prime (146974422839) 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, 73487211404 + 73487211405.

It is an arithmetic number, because the mean of its divisors is an integer number (73487211405).

Almost surely, 2^146974422809 is an apocalyptic number.

It is an amenable number.

146974422809 is a deficient number, since it is larger than the sum of its proper divisors (1).

146974422809 is an equidigital number, since it uses as much as digits as its factorization.

146974422809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 146974422809 in words is "one hundred forty-six billion, nine hundred seventy-four million, four hundred twenty-two thousand, eight hundred nine".