36172003409 has 2 divisors, whose sum is σ = 36172003410. Its totient is φ = 36172003408.

The previous prime is 36172003393. The next prime is 36172003411. The reversal of 36172003409 is 90430027163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35163750400 + 1008253009 = 187520^2 + 31753^2 .

It is a cyclic number.

It is not a de Polignac number, because 36172003409 - 2⁴ = 36172003393 is a prime.

Together with 36172003411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36172003489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18086001704 + 18086001705.

It is an arithmetic number, because the mean of its divisors is an integer number (18086001705).

Almost surely, 2^36172003409 is an apocalyptic number.

It is an amenable number.

36172003409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36172003409 is an equidigital number, since it uses as much as digits as its factorization.

36172003409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 36172003409 in words is "thirty-six billion, one hundred seventy-two million, three thousand, four hundred nine".