429742911160521 has 48 divisors (see below), whose sum is σ = 713943380270848. Its totient is φ = 244000543363200.

The previous prime is 429742911160477. The next prime is 429742911160531. The reversal of 429742911160521 is 125061119247924.

It is a happy number.

429742911160521 is a `hidden beast` number, since 4 + 2 + 9 + 7 + 4 + 2 + 9 + 1 + 1 + 1 + 605 + 21 = 666.

It is not a de Polignac number, because 429742911160521 - 2⁷ = 429742911160393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (429742911160531) 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 47 ways as a sum of consecutive naturals, for example, 1183484331 + ... + 1183847391.

Almost surely, 2^{429742911160521} is an apocalyptic number.

It is an amenable number.

429742911160521 is a deficient number, since it is larger than the sum of its proper divisors (284200469110327).

429742911160521 is a wasteful number, since it uses less digits than its factorization.

429742911160521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482902 (or 482899 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 429742911160521 in words is "four hundred twenty-nine trillion, seven hundred forty-two billion, nine hundred eleven million, one hundred sixty thousand, five hundred twenty-one".