36243020029 has 4 divisors (see below), whose sum is σ = 36323739900. Its totient is φ = 36162300160.

The previous prime is 36243019993. The next prime is 36243020057. The reversal of 36243020029 is 92002034263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92002034263 = 78317 ⋅1174739.

It can be written as a sum of positive squares in 2 ways, for example, as 10794794404 + 25448225625 = 103898^2 + 159525^2 .

It is a cyclic number.

It is not a de Polignac number, because 36243020029 - 2¹⁹ = 36242495741 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 (36243020329) 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, 40359262 + ... + 40360159.

It is an arithmetic number, because the mean of its divisors is an integer number (9080934975).

Almost surely, 2^36243020029 is an apocalyptic number.

It is an amenable number.

36243020029 is a deficient number, since it is larger than the sum of its proper divisors (80719871).

36243020029 is an equidigital number, since it uses as much as digits as its factorization.

36243020029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80719870.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 36243020029 in words is "thirty-six billion, two hundred forty-three million, twenty thousand, twenty-nine".