3609191987341 has 4 divisors (see below), whose sum is σ = 3633093921184. Its totient is φ = 3585290053500.

The previous prime is 3609191987339. The next prime is 3609191987347. The reversal of 3609191987341 is 1437891919063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3609191987341 - 2¹ = 3609191987339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3609191987341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609191987347) 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 3 ways as a sum of consecutive naturals, for example, 11950966695 + ... + 11950966996.

It is an arithmetic number, because the mean of its divisors is an integer number (908273480296).

Almost surely, 2^{3609191987341} is an apocalyptic number.

It is an amenable number.

3609191987341 is a deficient number, since it is larger than the sum of its proper divisors (23901933843).

3609191987341 is a wasteful number, since it uses less digits than its factorization.

3609191987341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901933842.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 3609191987341 in words is "three trillion, six hundred nine billion, one hundred ninety-one million, nine hundred eighty-seven thousand, three hundred forty-one".