13046224729 has 4 divisors (see below), whose sum is σ = 13467070720. Its totient is φ = 12625378740.

The previous prime is 13046224717. The next prime is 13046224759. The reversal of 13046224729 is 92742264031.

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.

It is a cyclic number.

It is not a de Polignac number, because 13046224729 - 2²⁷ = 12912007001 is a prime.

It is a super-2 number, since 2×13046224729² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13046224691 and 13046224700.

It is not an unprimeable number, because it can be changed into a prime (13046224759) 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, 210422949 + ... + 210423010.

It is an arithmetic number, because the mean of its divisors is an integer number (3366767680).

Almost surely, 2^13046224729 is an apocalyptic number.

It is an amenable number.

13046224729 is a deficient number, since it is larger than the sum of its proper divisors (420845991).

13046224729 is an equidigital number, since it uses as much as digits as its factorization.

13046224729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420845990.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13046224729 in words is "thirteen billion, forty-six million, two hundred twenty-four thousand, seven hundred twenty-nine".