173242258949 has 4 divisors (see below), whose sum is σ = 177271148736. Its totient is φ = 169213369164.

The previous prime is 173242258933. The next prime is 173242258957. The reversal of 173242258949 is 949852242371.

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: 949852242371 = 29 ⋅32753525599.

It is a cyclic number.

It is not a de Polignac number, because 173242258949 - 2⁴ = 173242258933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 173242258894 and 173242258903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173242252949) 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, 2014444829 + ... + 2014444914.

It is an arithmetic number, because the mean of its divisors is an integer number (44317787184).

Almost surely, 2^173242258949 is an apocalyptic number.

It is an amenable number.

173242258949 is a deficient number, since it is larger than the sum of its proper divisors (4028889787).

173242258949 is an equidigital number, since it uses as much as digits as its factorization.

173242258949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028889786.

The product of its digits is 8709120, while the sum is 56.

The spelling of 173242258949 in words is "one hundred seventy-three billion, two hundred forty-two million, two hundred fifty-eight thousand, nine hundred forty-nine".