147500023409 has 2 divisors, whose sum is σ = 147500023410. Its totient is φ = 147500023408.

The previous prime is 147500023399. The next prime is 147500023417. The reversal of 147500023409 is 904320005741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117906390625 + 29593632784 = 343375^2 + 172028^2 .

It is a cyclic number.

It is not a de Polignac number, because 147500023409 - 2⁴ = 147500023393 is a prime.

It is not a weakly prime, because it can be changed into another prime (147500023469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73750011704 + 73750011705.

It is an arithmetic number, because the mean of its divisors is an integer number (73750011705).

Almost surely, 2^147500023409 is an apocalyptic number.

It is an amenable number.

147500023409 is a deficient number, since it is larger than the sum of its proper divisors (1).

147500023409 is an equidigital number, since it uses as much as digits as its factorization.

147500023409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 147500023409 in words is "one hundred forty-seven billion, five hundred million, twenty-three thousand, four hundred nine".