35720818189 has 4 divisors (see below), whose sum is σ = 40823792224. Its totient is φ = 30617844156.

The previous prime is 35720818187. The next prime is 35720818193. The reversal of 35720818189 is 98181802753.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98181802753 = 313 ⋅313679881.

It is a cyclic number.

It is not a de Polignac number, because 35720818189 - 2¹ = 35720818187 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 (35720818187) 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, 2551487007 + ... + 2551487020.

It is an arithmetic number, because the mean of its divisors is an integer number (10205948056).

Almost surely, 2^35720818189 is an apocalyptic number.

It is an amenable number.

35720818189 is a deficient number, since it is larger than the sum of its proper divisors (5102974035).

35720818189 is an equidigital number, since it uses as much as digits as its factorization.

35720818189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102974034.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 35720818189 in words is "thirty-five billion, seven hundred twenty million, eight hundred eighteen thousand, one hundred eighty-nine".