36172743819 has 8 divisors (see below), whose sum is σ = 48231430800. Its totient is φ = 24114609696.

The previous prime is 36172743787. The next prime is 36172743821. The reversal of 36172743819 is 91834727163.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36172743819 - 2⁵ = 36172743787 is a prime.

It is a super-2 number, since 2×36172743819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36172743829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51757 + ... + 273905.

It is an arithmetic number, because the mean of its divisors is an integer number (6028928850).

Almost surely, 2^36172743819 is an apocalyptic number.

36172743819 is a deficient number, since it is larger than the sum of its proper divisors (12058686981).

36172743819 is a wasteful number, since it uses less digits than its factorization.

36172743819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276429.

The product of its digits is 1524096, while the sum is 51.

The spelling of 36172743819 in words is "thirty-six billion, one hundred seventy-two million, seven hundred forty-three thousand, eight hundred nineteen".