13465146503 has 4 divisors (see below), whose sum is σ = 13465406760. Its totient is φ = 13464886248.

The previous prime is 13465146481. The next prime is 13465146533. The reversal of 13465146503 is 30564156431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30564156431 = 1787 ⋅17103613.

It is a cyclic number.

It is not a de Polignac number, because 13465146503 - 2¹⁸ = 13464884359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13465146533) 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, 23273 + ... + 165746.

It is an arithmetic number, because the mean of its divisors is an integer number (3366351690).

Almost surely, 2^13465146503 is an apocalyptic number.

13465146503 is a deficient number, since it is larger than the sum of its proper divisors (260257).

13465146503 is an equidigital number, since it uses as much as digits as its factorization.

13465146503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260256.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 13465146503 in words is "thirteen billion, four hundred sixty-five million, one hundred forty-six thousand, five hundred three".