3646801619999 has 8 divisors (see below), whose sum is σ = 3674049245328. Its totient is φ = 3619563105600.

The previous prime is 3646801619987. The next prime is 3646801620079. The reversal of 3646801619999 is 9999161086463.

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

It is a cyclic number.

It is not a de Polignac number, because 3646801619999 - 2¹⁶ = 3646801554463 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 (3646801619599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473152 + ... + 3076325.

It is an arithmetic number, because the mean of its divisors is an integer number (459256155666).

Almost surely, 2^{3646801619999} is an apocalyptic number.

3646801619999 is a deficient number, since it is larger than the sum of its proper divisors (27247625329).

3646801619999 is a wasteful number, since it uses less digits than its factorization.

3646801619999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555465.

The product of its (nonzero) digits is 136048896, while the sum is 71.

The spelling of 3646801619999 in words is "three trillion, six hundred forty-six billion, eight hundred one million, six hundred nineteen thousand, nine hundred ninety-nine".