429661840497796 has 9 divisors (see below), whose sum is σ = 751908293420151. Its totient is φ = 214830899520612.

The previous prime is 429661840497781. The next prime is 429661840497893. The reversal of 429661840497796 is 697794048166924.

It is a happy number.

The square root of 429661840497796 is 20728286.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36274501 + ... + 46638643.

Almost surely, 2^{429661840497796} is an apocalyptic number.

429661840497796 is the 20728286-th square number.

It is an amenable number.

429661840497796 is a deficient number, since it is larger than the sum of its proper divisors (322246452922355).

429661840497796 is an frugal number, since it uses more digits than its factorization.

429661840497796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20728290 (or 10364145 counting only the distinct ones).

The product of its (nonzero) digits is 7900913664, while the sum is 82.

The spelling of 429661840497796 in words is "four hundred twenty-nine trillion, six hundred sixty-one billion, eight hundred forty million, four hundred ninety-seven thousand, seven hundred ninety-six".