3091968050621 has 16 divisors (see below), whose sum is σ = 3282272716800. Its totient is φ = 2904447647808.

The previous prime is 3091968050609. The next prime is 3091968050651. The reversal of 3091968050621 is 1260508691903.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3091968050621 - 2¹⁴ = 3091968034237 is a prime.

It is a super-2 number, since 2×3091968050621² (a number of 26 digits) contains 22 as substring.

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 3091968050621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091968050651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3706775 + ... + 4463643.

It is an arithmetic number, because the mean of its divisors is an integer number (205142044800).

Almost surely, 2^{3091968050621} is an apocalyptic number.

It is an amenable number.

3091968050621 is a deficient number, since it is larger than the sum of its proper divisors (190304666179).

3091968050621 is a wasteful number, since it uses less digits than its factorization.

3091968050621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758708.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 3091968050621 in words is "three trillion, ninety-one billion, nine hundred sixty-eight million, fifty thousand, six hundred twenty-one".