1687004144329 has 8 divisors (see below), whose sum is σ = 1994487658560. Its totient is φ = 1396141360656.

The previous prime is 1687004144327. The next prime is 1687004144347. The reversal of 1687004144329 is 9234414007861.

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 1687004144329 - 2¹ = 1687004144327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1687004144323) 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, 4155182419 + ... + 4155182824.

It is an arithmetic number, because the mean of its divisors is an integer number (249310957320).

Almost surely, 2^{1687004144329} is an apocalyptic number.

It is an amenable number.

1687004144329 is a deficient number, since it is larger than the sum of its proper divisors (307483514231).

1687004144329 is an equidigital number, since it uses as much as digits as its factorization.

1687004144329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310365279.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 1687004144329 in words is "one trillion, six hundred eighty-seven billion, four million, one hundred forty-four thousand, three hundred twenty-nine".