13545259499 has 8 divisors (see below), whose sum is σ = 13788549120. Its totient is φ = 13303765800.

The previous prime is 13545259493. The next prime is 13545259501. The reversal of 13545259499 is 99495254531.

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 13545259499 - 2⁸ = 13545259243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13545259493) 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, 433757 + ... + 463934.

It is an arithmetic number, because the mean of its divisors is an integer number (1723568640).

Almost surely, 2^13545259499 is an apocalyptic number.

13545259499 is a deficient number, since it is larger than the sum of its proper divisors (243289621).

13545259499 is an equidigital number, since it uses as much as digits as its factorization.

13545259499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897961.

The product of its digits is 8748000, while the sum is 56.

The spelling of 13545259499 in words is "thirteen billion, five hundred forty-five million, two hundred fifty-nine thousand, four hundred ninety-nine".