3923789921333 has 2 divisors, whose sum is σ = 3923789921334. Its totient is φ = 3923789921332.

The previous prime is 3923789921251. The next prime is 3923789921351. The reversal of 3923789921333 is 3331299873293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3681325267684 + 242464653649 = 1918678^2 + 492407^2 .

It is a cyclic number.

It is not a de Polignac number, because 3923789921333 - 2³⁶ = 3855070444597 is a prime.

It is a super-2 number, since 2×3923789921333² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3923789924333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961894960666 + 1961894960667.

It is an arithmetic number, because the mean of its divisors is an integer number (1961894960667).

Almost surely, 2^{3923789921333} is an apocalyptic number.

It is an amenable number.

3923789921333 is a deficient number, since it is larger than the sum of its proper divisors (1).

3923789921333 is an equidigital number, since it uses as much as digits as its factorization.

3923789921333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39680928, while the sum is 62.

The spelling of 3923789921333 in words is "three trillion, nine hundred twenty-three billion, seven hundred eighty-nine million, nine hundred twenty-one thousand, three hundred thirty-three".