3811988413 has 2 divisors, whose sum is σ = 3811988414. Its totient is φ = 3811988412.

The previous prime is 3811988363. The next prime is 3811988431. The reversal of 3811988413 is 3148891183.

It is a happy number.

Together with next prime (3811988431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1975180249 + 1836808164 = 44443^2 + 42858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3811988413 - 2¹⁷ = 3811857341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3811988473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1905994206 + 1905994207.

It is an arithmetic number, because the mean of its divisors is an integer number (1905994207).

Almost surely, 2^3811988413 is an apocalyptic number.

It is an amenable number.

3811988413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3811988413 is an equidigital number, since it uses as much as digits as its factorization.

3811988413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 46.

The square root of 3811988413 is about 61741.3023267245. The cubic root of 3811988413 is about 1562.1300637427.

The spelling of 3811988413 in words is "three billion, eight hundred eleven million, nine hundred eighty-eight thousand, four hundred thirteen".