429621466 has 4 divisors (see below), whose sum is σ = 644432202. Its totient is φ = 214810732.

The previous prime is 429621461. The next prime is 429621469. The reversal of 429621466 is 664126924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 302586025 + 127035441 = 17395^2 + 11271^2 .

It is not an unprimeable number, because it can be changed into a prime (429621461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107405365 + ... + 107405368.

Almost surely, 2^429621466 is an apocalyptic number.

429621466 is a deficient number, since it is larger than the sum of its proper divisors (214810736).

429621466 is a wasteful number, since it uses less digits than its factorization.

429621466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214810735.

The product of its digits is 124416, while the sum is 40.

The square root of 429621466 is about 20727.3120785113. The cubic root of 429621466 is about 754.5626846275.

The spelling of 429621466 in words is "four hundred twenty-nine million, six hundred twenty-one thousand, four hundred sixty-six".