169375013 has 4 divisors (see below), whose sum is σ = 176739168. Its totient is φ = 162010860.

The previous prime is 169375007. The next prime is 169375021. The reversal of 169375013 is 310573961.

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: 310573961 = 149 ⋅2084389.

It is a cyclic number.

It is not a de Polignac number, because 169375013 - 2¹² = 169370917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169375033) 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, 3682043 + ... + 3682088.

It is an arithmetic number, because the mean of its divisors is an integer number (44184792).

Almost surely, 2^169375013 is an apocalyptic number.

It is an amenable number.

169375013 is a deficient number, since it is larger than the sum of its proper divisors (7364155).

169375013 is an equidigital number, since it uses as much as digits as its factorization.

169375013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364154.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 169375013 is about 13014.4155842665. The cubic root of 169375013 is about 553.2861264787.

The spelling of 169375013 in words is "one hundred sixty-nine million, three hundred seventy-five thousand, thirteen".