169447004605379 has 2 divisors, whose sum is σ = 169447004605380. Its totient is φ = 169447004605378.

The previous prime is 169447004605337. The next prime is 169447004605393. The reversal of 169447004605379 is 973506400744961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169447004605379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (169447004607379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84723502302689 + 84723502302690.

It is an arithmetic number, because the mean of its divisors is an integer number (84723502302690).

Almost surely, 2^{169447004605379} is an apocalyptic number.

169447004605379 is a deficient number, since it is larger than the sum of its proper divisors (1).

169447004605379 is an equidigital number, since it uses as much as digits as its factorization.

169447004605379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 169447004605379 in words is "one hundred sixty-nine trillion, four hundred forty-seven billion, four million, six hundred five thousand, three hundred seventy-nine".