38445332879 has 2 divisors, whose sum is σ = 38445332880. Its totient is φ = 38445332878.

The previous prime is 38445332833. The next prime is 38445332881. The reversal of 38445332879 is 97823354483.

It is a strong prime.

It is an emirp because it is prime and its reverse (97823354483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38445332879 is a prime.

Together with 38445332881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38445332479) 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, 19222666439 + 19222666440.

It is an arithmetic number, because the mean of its divisors is an integer number (19222666440).

Almost surely, 2^38445332879 is an apocalyptic number.

38445332879 is a deficient number, since it is larger than the sum of its proper divisors (1).

38445332879 is an equidigital number, since it uses as much as digits as its factorization.

38445332879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 56.

The spelling of 38445332879 in words is "thirty-eight billion, four hundred forty-five million, three hundred thirty-two thousand, eight hundred seventy-nine".