15532329989 has 8 divisors (see below), whose sum is σ = 16946268768. Its totient is φ = 14118709360.

The previous prime is 15532329983. The next prime is 15532330003. The reversal of 15532329989 is 98992323551.

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 15532329989 - 2¹⁶ = 15532264453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15532329983) 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, 28994 + ... + 178620.

It is an arithmetic number, because the mean of its divisors is an integer number (2118283596).

Almost surely, 2^15532329989 is an apocalyptic number.

It is an amenable number.

15532329989 is a deficient number, since it is larger than the sum of its proper divisors (1413938779).

15532329989 is a wasteful number, since it uses less digits than its factorization.

15532329989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159075.

The product of its digits is 5248800, while the sum is 56.

The spelling of 15532329989 in words is "fifteen billion, five hundred thirty-two million, three hundred twenty-nine thousand, nine hundred eighty-nine".