146049269809 has 2 divisors, whose sum is σ = 146049269810. Its totient is φ = 146049269808.

The previous prime is 146049269791. The next prime is 146049269869. The reversal of 146049269809 is 908962940641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144649387584 + 1399882225 = 380328^2 + 37415^2 .

It is a cyclic number.

It is not a de Polignac number, because 146049269809 - 2¹¹ = 146049267761 is a prime.

It is not a weakly prime, because it can be changed into another prime (146049269869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73024634904 + 73024634905.

It is an arithmetic number, because the mean of its divisors is an integer number (73024634905).

Almost surely, 2^146049269809 is an apocalyptic number.

It is an amenable number.

146049269809 is a deficient number, since it is larger than the sum of its proper divisors (1).

146049269809 is an equidigital number, since it uses as much as digits as its factorization.

146049269809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 146049269809 in words is "one hundred forty-six billion, forty-nine million, two hundred sixty-nine thousand, eight hundred nine".