38203047013 has 2 divisors, whose sum is σ = 38203047014. Its totient is φ = 38203047012.

The previous prime is 38203046927. The next prime is 38203047031. The reversal of 38203047013 is 31074030283.

Together with next prime (38203047031) 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., 30706604289 + 7496442724 = 175233^2 + 86582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38203047013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38203047413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19101523506 + 19101523507.

It is an arithmetic number, because the mean of its divisors is an integer number (19101523507).

Almost surely, 2^38203047013 is an apocalyptic number.

It is an amenable number.

38203047013 is a deficient number, since it is larger than the sum of its proper divisors (1).

38203047013 is an equidigital number, since it uses as much as digits as its factorization.

38203047013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 38203047013 its reverse (31074030283), we get a palindrome (69277077296).

The spelling of 38203047013 in words is "thirty-eight billion, two hundred three million, forty-seven thousand, thirteen".