36144434629 has 4 divisors (see below), whose sum is σ = 36344127820. Its totient is φ = 35944741440.

The previous prime is 36144434567. The next prime is 36144434633. The reversal of 36144434629 is 92643444163.

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 14786073604 + 21358361025 = 121598^2 + 146145^2 .

It is a cyclic number.

It is not a de Polignac number, because 36144434629 - 2¹⁵ = 36144401861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36144434659) 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, 99846324 + ... + 99846685.

It is an arithmetic number, because the mean of its divisors is an integer number (9086031955).

Almost surely, 2^36144434629 is an apocalyptic number.

It is an amenable number.

36144434629 is a deficient number, since it is larger than the sum of its proper divisors (199693191).

36144434629 is a wasteful number, since it uses less digits than its factorization.

36144434629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199693190.

The product of its digits is 1492992, while the sum is 46.

The spelling of 36144434629 in words is "thirty-six billion, one hundred forty-four million, four hundred thirty-four thousand, six hundred twenty-nine".