13453503645 has 8 divisors (see below), whose sum is σ = 21525605856. Its totient is φ = 7175201936.

The previous prime is 13453503607. The next prime is 13453503649. The reversal of 13453503645 is 54630535431.

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 13453503645 - 2¹⁴ = 13453487261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453503649) 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, 448450107 + ... + 448450136.

It is an arithmetic number, because the mean of its divisors is an integer number (2690700732).

Almost surely, 2^13453503645 is an apocalyptic number.

13453503645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13453503645 is a deficient number, since it is larger than the sum of its proper divisors (8072102211).

13453503645 is an equidigital number, since it uses as much as digits as its factorization.

13453503645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896900251.

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 13453503645 in words is "thirteen billion, four hundred fifty-three million, five hundred three thousand, six hundred forty-five".