3719489492221 has 8 divisors (see below), whose sum is σ = 3820440505824. Its totient is φ = 3618560808720.

The previous prime is 3719489492183. The next prime is 3719489492227. The reversal of 3719489492221 is 1222949849173.

3719489492221 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-3719489492221 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 3719489492221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3719489492227) 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, 5244595 + ... + 5911408.

It is an arithmetic number, because the mean of its divisors is an integer number (477555063228).

Almost surely, 2^{3719489492221} is an apocalyptic number.

It is an amenable number.

3719489492221 is a deficient number, since it is larger than the sum of its proper divisors (100951013603).

3719489492221 is a wasteful number, since it uses less digits than its factorization.

3719489492221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165051.

The product of its digits is 15676416, while the sum is 61.

The spelling of 3719489492221 in words is "three trillion, seven hundred nineteen billion, four hundred eighty-nine million, four hundred ninety-two thousand, two hundred twenty-one".