3667945459799 has 4 divisors (see below), whose sum is σ = 3667982665200. Its totient is φ = 3667908254400.

The previous prime is 3667945459771. The next prime is 3667945459837. The reversal of 3667945459799 is 9979545497663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3667945459799 - 2²⁰ = 3667944411223 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 (3667945459769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18454427 + ... + 18652124.

It is an arithmetic number, because the mean of its divisors is an integer number (916995666300).

Almost surely, 2^{3667945459799} is an apocalyptic number.

3667945459799 is a deficient number, since it is larger than the sum of its proper divisors (37205401).

3667945459799 is an equidigital number, since it uses as much as digits as its factorization.

3667945459799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37205400.

The product of its digits is 13888324800, while the sum is 83.

The spelling of 3667945459799 in words is "three trillion, six hundred sixty-seven billion, nine hundred forty-five million, four hundred fifty-nine thousand, seven hundred ninety-nine".