13450757329 has 4 divisors (see below), whose sum is σ = 13621020160. Its totient is φ = 13280494500.

The previous prime is 13450757321. The next prime is 13450757339. The reversal of 13450757329 is 92375705431.

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: 92375705431 = 9787 ⋅9438613.

It is a cyclic number.

It is not a de Polignac number, because 13450757329 - 2³ = 13450757321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13450757321) 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, 85131297 + ... + 85131454.

It is an arithmetic number, because the mean of its divisors is an integer number (3405255040).

Almost surely, 2^13450757329 is an apocalyptic number.

It is an amenable number.

13450757329 is a deficient number, since it is larger than the sum of its proper divisors (170262831).

13450757329 is an equidigital number, since it uses as much as digits as its factorization.

13450757329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170262830.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 13450757329 in words is "thirteen billion, four hundred fifty million, seven hundred fifty-seven thousand, three hundred twenty-nine".