36172000409 has 4 divisors (see below), whose sum is σ = 36176152080. Its totient is φ = 36167848740.

The previous prime is 36172000357. The next prime is 36172000429. The reversal of 36172000409 is 90400027163.

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: 90400027163 = 54623 ⋅1654981.

It is a cyclic number.

It is not a de Polignac number, because 36172000409 - 2⁸ = 36172000153 is a prime.

It is a super-2 number, since 2×36172000409² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36172000429) 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, 2062739 + ... + 2080200.

It is an arithmetic number, because the mean of its divisors is an integer number (9044038020).

Almost surely, 2^36172000409 is an apocalyptic number.

It is an amenable number.

36172000409 is a deficient number, since it is larger than the sum of its proper divisors (4151671).

36172000409 is an equidigital number, since it uses as much as digits as its factorization.

36172000409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151670.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 36172000409 in words is "thirty-six billion, one hundred seventy-two million, four hundred nine", and thus it is an aban number.