13538889035 has 16 divisors (see below), whose sum is σ = 18791329536. Its totient is φ = 9171954528.

The previous prime is 13538889031. The next prime is 13538889037. The reversal of 13538889035 is 53098883531.

It is a cyclic number.

It is not a de Polignac number, because 13538889035 - 2² = 13538889031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13538889031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2327369 + ... + 2333178.

It is an arithmetic number, because the mean of its divisors is an integer number (1174458096).

Almost surely, 2^13538889035 is an apocalyptic number.

13538889035 is a deficient number, since it is larger than the sum of its proper divisors (5252440501).

13538889035 is an equidigital number, since it uses as much as digits as its factorization.

13538889035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660642.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 13538889035 in words is "thirteen billion, five hundred thirty-eight million, eight hundred eighty-nine thousand, thirty-five".