13189949529 has 8 divisors (see below), whose sum is σ = 17587140480. Its totient is φ = 8793029136.

The previous prime is 13189949519. The next prime is 13189949543. The reversal of 13189949529 is 92594998131.

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

It is not a de Polignac number, because 13189949529 - 2¹⁹ = 13189425241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13189949519) 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, 122367 + ... + 203355.

It is an arithmetic number, because the mean of its divisors is an integer number (2198392560).

Almost surely, 2^13189949529 is an apocalyptic number.

It is an amenable number.

13189949529 is a deficient number, since it is larger than the sum of its proper divisors (4397190951).

13189949529 is an equidigital number, since it uses as much as digits as its factorization.

13189949529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135279.

The product of its digits is 6298560, while the sum is 60.

The spelling of 13189949529 in words is "thirteen billion, one hundred eighty-nine million, nine hundred forty-nine thousand, five hundred twenty-nine".