3291199744687 has 8 divisors (see below), whose sum is σ = 3391161364976. Its totient is φ = 3191817612672.

The previous prime is 3291199744673. The next prime is 3291199744691. The reversal of 3291199744687 is 7864479911923.

3291199744687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3291199744687 - 2¹⁹ = 3291199220399 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 (3291199744697) 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, 144860538 + ... + 144883255.

It is an arithmetic number, because the mean of its divisors is an integer number (423895170622).

Almost surely, 2^{3291199744687} is an apocalyptic number.

3291199744687 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3291199744687 is a deficient number, since it is larger than the sum of its proper divisors (99961620289).

3291199744687 is a wasteful number, since it uses less digits than its factorization.

3291199744687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289744137.

The product of its digits is 164602368, while the sum is 70.

The spelling of 3291199744687 in words is "three trillion, two hundred ninety-one billion, one hundred ninety-nine million, seven hundred forty-four thousand, six hundred eighty-seven".