429718969 has 4 divisors (see below), whose sum is σ = 431248500. Its totient is φ = 428189440.

The previous prime is 429718951. The next prime is 429718981. The reversal of 429718969 is 969817924.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122943744 + 306775225 = 11088^2 + 17515^2 .

It is a cyclic number.

It is not a de Polignac number, because 429718969 - 2⁵ = 429718937 is a prime.

It is a super-2 number, since 2×429718969² = 369316784636845922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429718769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764344 + ... + 764905.

It is an arithmetic number, because the mean of its divisors is an integer number (107812125).

Almost surely, 2^429718969 is an apocalyptic number.

It is an amenable number.

429718969 is a deficient number, since it is larger than the sum of its proper divisors (1529531).

429718969 is a wasteful number, since it uses less digits than its factorization.

429718969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529530.

The product of its digits is 1959552, while the sum is 55.

The square root of 429718969 is about 20729.6639866641. The cubic root of 429718969 is about 754.6197632158.

The spelling of 429718969 in words is "four hundred twenty-nine million, seven hundred eighteen thousand, nine hundred sixty-nine".