429704661 has 4 divisors (see below), whose sum is σ = 572939552. Its totient is φ = 286469772.

The previous prime is 429704659. The next prime is 429704663. The reversal of 429704661 is 166407924.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (429704659) and next prime (429704663).

It is not a de Polignac number, because 429704661 - 2¹ = 429704659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429704663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71617441 + ... + 71617446.

It is an arithmetic number, because the mean of its divisors is an integer number (143234888).

Almost surely, 2^429704661 is an apocalyptic number.

It is an amenable number.

429704661 is a deficient number, since it is larger than the sum of its proper divisors (143234891).

429704661 is a wasteful number, since it uses less digits than its factorization.

429704661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143234890.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 429704661 is about 20729.3188744831. The cubic root of 429704661 is about 754.6113878044.

The spelling of 429704661 in words is "four hundred twenty-nine million, seven hundred four thousand, six hundred sixty-one".