38876233813 has 2 divisors, whose sum is σ = 38876233814. Its totient is φ = 38876233812.

The previous prime is 38876233783. The next prime is 38876233831. The reversal of 38876233813 is 31833267883.

Together with next prime (38876233831) 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., 35986848804 + 2889385009 = 189702^2 + 53753^2 .

It is an emirp because it is prime and its reverse (31833267883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38876233813 - 2²¹ = 38874136661 is a prime.

It is a super-2 number, since 2×38876233813² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38876233843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19438116906 + 19438116907.

It is an arithmetic number, because the mean of its divisors is an integer number (19438116907).

Almost surely, 2^38876233813 is an apocalyptic number.

It is an amenable number.

38876233813 is a deficient number, since it is larger than the sum of its proper divisors (1).

38876233813 is an equidigital number, since it uses as much as digits as its factorization.

38876233813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The spelling of 38876233813 in words is "thirty-eight billion, eight hundred seventy-six million, two hundred thirty-three thousand, eight hundred thirteen".