13441666435 has 4 divisors (see below), whose sum is σ = 16129999728. Its totient is φ = 10753333144.

The previous prime is 13441666387. The next prime is 13441666439. The reversal of 13441666435 is 53466614431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13441666435 - 2⁷ = 13441666307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13441666391 and 13441666400.

It is not an unprimeable number, because it can be changed into a prime (13441666439) 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, 1344166639 + ... + 1344166648.

It is an arithmetic number, because the mean of its divisors is an integer number (4032499932).

Almost surely, 2^13441666435 is an apocalyptic number.

13441666435 is a deficient number, since it is larger than the sum of its proper divisors (2688333293).

13441666435 is an equidigital number, since it uses as much as digits as its factorization.

13441666435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688333292.

The product of its digits is 622080, while the sum is 43.

The spelling of 13441666435 in words is "thirteen billion, four hundred forty-one million, six hundred sixty-six thousand, four hundred thirty-five".