36820034809 has 2 divisors, whose sum is σ = 36820034810. Its totient is φ = 36820034808.

The previous prime is 36820034807. The next prime is 36820034813. The reversal of 36820034809 is 90843002863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22788921600 + 14031113209 = 150960^2 + 118453^2 .

It is a cyclic number.

It is not a de Polignac number, because 36820034809 - 2¹ = 36820034807 is a prime.

It is a super-3 number, since 3×36820034809³ (a number of 33 digits) contains 333 as substring.

Together with 36820034807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36820034807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18410017404 + 18410017405.

It is an arithmetic number, because the mean of its divisors is an integer number (18410017405).

Almost surely, 2^36820034809 is an apocalyptic number.

It is an amenable number.

36820034809 is a deficient number, since it is larger than the sum of its proper divisors (1).

36820034809 is an equidigital number, since it uses as much as digits as its factorization.

36820034809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 36820034809 in words is "thirty-six billion, eight hundred twenty million, thirty-four thousand, eight hundred nine".