13405013445 has 8 divisors (see below), whose sum is σ = 21448021536. Its totient is φ = 7149340496.

The previous prime is 13405013441. The next prime is 13405013507. The reversal of 13405013445 is 54431050431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405013445 - 2² = 13405013441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405013441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446833767 + ... + 446833796.

It is an arithmetic number, because the mean of its divisors is an integer number (2681002692).

Almost surely, 2^13405013445 is an apocalyptic number.

13405013445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13405013445 is a deficient number, since it is larger than the sum of its proper divisors (8043008091).

13405013445 is an equidigital number, since it uses as much as digits as its factorization.

13405013445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893667571.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 13405013445 its reverse (54431050431), we get a palindrome (67836063876).

The spelling of 13405013445 in words is "thirteen billion, four hundred five million, thirteen thousand, four hundred forty-five".