4472735129 has 4 divisors (see below), whose sum is σ = 4475436084. Its totient is φ = 4470034176.

The previous prime is 4472735117. The next prime is 4472735161. The reversal of 4472735129 is 9215372744.

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 3139024729 + 1333710400 = 56027^2 + 36520^2 .

It is a cyclic number.

It is not a de Polignac number, because 4472735129 - 2³² = 177767833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4472735129.

It is not an unprimeable number, because it can be changed into a prime (4472735929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347992 + ... + 1351305.

It is an arithmetic number, because the mean of its divisors is an integer number (1118859021).

Almost surely, 2^4472735129 is an apocalyptic number.

It is an amenable number.

4472735129 is a deficient number, since it is larger than the sum of its proper divisors (2700955).

4472735129 is a wasteful number, since it uses less digits than its factorization.

4472735129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700954.

The product of its digits is 423360, while the sum is 44.

The square root of 4472735129 is about 66878.5102181560. The cubic root of 4472735129 is about 1647.6225483526.

The spelling of 4472735129 in words is "four billion, four hundred seventy-two million, seven hundred thirty-five thousand, one hundred twenty-nine".