3219094721916 has 18 divisors (see below), whose sum is σ = 8137156102712. Its totient is φ = 1073031573960.

The previous prime is 3219094721911. The next prime is 3219094721963. The reversal of 3219094721916 is 6191274909123.

3219094721916 is a `hidden beast` number, since 321 + 9 + 0 + 94 + 7 + 219 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3219094721916² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219094721911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44709648880 + ... + 44709648951.

Almost surely, 2^{3219094721916} is an apocalyptic number.

3219094721916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3219094721916 is an abundant number, since it is smaller than the sum of its proper divisors (4918061380796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3219094721916 is a wasteful number, since it uses less digits than its factorization.

3219094721916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89419297841 (or 89419297836 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 3219094721916 in words is "three trillion, two hundred nineteen billion, ninety-four million, seven hundred twenty-one thousand, nine hundred sixteen".