169433678941 has 4 divisors (see below), whose sum is σ = 169484670432. Its totient is φ = 169382687452.

The previous prime is 169433678917. The next prime is 169433678959. The reversal of 169433678941 is 149876334961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 149876334961 = 8263 ⋅18138247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169433678941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169433678941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169433675941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25490761 + ... + 25497406.

It is an arithmetic number, because the mean of its divisors is an integer number (42371167608).

Almost surely, 2^169433678941 is an apocalyptic number.

It is an amenable number.

169433678941 is a deficient number, since it is larger than the sum of its proper divisors (50991491).

169433678941 is an equidigital number, since it uses as much as digits as its factorization.

169433678941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50991490.

The product of its digits is 23514624, while the sum is 61.

The spelling of 169433678941 in words is "one hundred sixty-nine billion, four hundred thirty-three million, six hundred seventy-eight thousand, nine hundred forty-one".