3938386962311 has 2 divisors, whose sum is σ = 3938386962312. Its totient is φ = 3938386962310.

The previous prime is 3938386962281. The next prime is 3938386962337. The reversal of 3938386962311 is 1132696838393.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3938386962311 - 2¹⁸ = 3938386700167 is a prime.

It is a super-2 number, since 2×3938386962311² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3938386962911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969193481155 + 1969193481156.

It is an arithmetic number, because the mean of its divisors is an integer number (1969193481156).

Almost surely, 2^{3938386962311} is an apocalyptic number.

3938386962311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938386962311 is an equidigital number, since it uses as much as digits as its factorization.

3938386962311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30233088, while the sum is 62.

The spelling of 3938386962311 in words is "three trillion, nine hundred thirty-eight billion, three hundred eighty-six million, nine hundred sixty-two thousand, three hundred eleven".