3928938011 has 2 divisors, whose sum is σ = 3928938012. Its totient is φ = 3928938010.

The previous prime is 3928938001. The next prime is 3928938043. The reversal of 3928938011 is 1108398293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3928938011 - 2¹⁰ = 3928936987 is a prime.

It is a super-2 number, since 2×3928938011² = 30873107788561272242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3928938001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964469005 + 1964469006.

It is an arithmetic number, because the mean of its divisors is an integer number (1964469006).

Almost surely, 2^3928938011 is an apocalyptic number.

3928938011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3928938011 is an equidigital number, since it uses as much as digits as its factorization.

3928938011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 3928938011 is about 62681.2413007273. The cubic root of 3928938011 is about 1577.9445058107.

The spelling of 3928938011 in words is "three billion, nine hundred twenty-eight million, nine hundred thirty-eight thousand, eleven".