4091968050621 has 32 divisors (see below), whose sum is σ = 6025167106560. Its totient is φ = 2449489896000.

The previous prime is 4091968050619. The next prime is 4091968050637. The reversal of 4091968050621 is 1260508691904.

It is not a de Polignac number, because 4091968050621 - 2¹ = 4091968050619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091968050601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10911295 + ... + 11280083.

It is an arithmetic number, because the mean of its divisors is an integer number (188286472080).

Almost surely, 2^{4091968050621} is an apocalyptic number.

It is an amenable number.

4091968050621 is a deficient number, since it is larger than the sum of its proper divisors (1933199055939).

4091968050621 is a wasteful number, since it uses less digits than its factorization.

4091968050621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372937.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 4091968050621 in words is "four trillion, ninety-one billion, nine hundred sixty-eight million, fifty thousand, six hundred twenty-one".