6434129 has 4 divisors (see below), whose sum is σ = 6929076. Its totient is φ = 5939184.

The previous prime is 6434123. The next prime is 6434137. The reversal of 6434129 is 9214346.

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 1380625 + 5053504 = 1175^2 + 2248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6434129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434123) 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, 247454 + ... + 247479.

It is an arithmetic number, because the mean of its divisors is an integer number (1732269).

Almost surely, 2^6434129 is an apocalyptic number.

It is an amenable number.

6434129 is a deficient number, since it is larger than the sum of its proper divisors (494947).

6434129 is a wasteful number, since it uses less digits than its factorization.

6434129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494946.

The product of its digits is 5184, while the sum is 29.

The square root of 6434129 is about 2536.5584952845. The cubic root of 6434129 is about 185.9929950728.

The spelling of 6434129 in words is "six million, four hundred thirty-four thousand, one hundred twenty-nine".