429436631 has 4 divisors (see below), whose sum is σ = 462470232. Its totient is φ = 396403032.

The previous prime is 429436607. The next prime is 429436639. The reversal of 429436631 is 136634924.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 429436631 - 2²⁶ = 362327767 is a prime.

It is a super-2 number, since 2×429436631² = 368831640089260322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429436639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16516781 + ... + 16516806.

It is an arithmetic number, because the mean of its divisors is an integer number (115617558).

Almost surely, 2^429436631 is an apocalyptic number.

429436631 is a deficient number, since it is larger than the sum of its proper divisors (33033601).

429436631 is a wasteful number, since it uses less digits than its factorization.

429436631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33033600.

The product of its digits is 93312, while the sum is 38.

The square root of 429436631 is about 20722.8528682708. The cubic root of 429436631 is about 754.4544578815.

The spelling of 429436631 in words is "four hundred twenty-nine million, four hundred thirty-six thousand, six hundred thirty-one".