429621457 has 8 divisors (see below), whose sum is σ = 446768640. Its totient is φ = 412629840.

The previous prime is 429621431. The next prime is 429621461. The reversal of 429621457 is 754126924.

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 429621457 - 2¹¹ = 429619409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429624457) 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 7 ways as a sum of consecutive naturals, for example, 33243 + ... + 44320.

It is an arithmetic number, because the mean of its divisors is an integer number (55846080).

Almost surely, 2^429621457 is an apocalyptic number.

It is an amenable number.

429621457 is a deficient number, since it is larger than the sum of its proper divisors (17147183).

429621457 is a wasteful number, since it uses less digits than its factorization.

429621457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77783.

The product of its digits is 120960, while the sum is 40.

The square root of 429621457 is about 20727.3118614064. The cubic root of 429621457 is about 754.5626793584.

The spelling of 429621457 in words is "four hundred twenty-nine million, six hundred twenty-one thousand, four hundred fifty-seven".