180429532449 has 16 divisors (see below), whose sum is σ = 240961106880. Its totient is φ = 120092314880.

The previous prime is 180429532447. The next prime is 180429532483. The reversal of 180429532449 is 944235924081.

It is a cyclic number.

It is not a de Polignac number, because 180429532449 - 2¹ = 180429532447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (180429532441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4855462 + ... + 4892480.

It is an arithmetic number, because the mean of its divisors is an integer number (15060069180).

Almost surely, 2^180429532449 is an apocalyptic number.

It is an amenable number.

180429532449 is a deficient number, since it is larger than the sum of its proper divisors (60531574431).

180429532449 is a wasteful number, since it uses less digits than its factorization.

180429532449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39600.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 180429532449 in words is "one hundred eighty billion, four hundred twenty-nine million, five hundred thirty-two thousand, four hundred forty-nine".