38510871247 has 2 divisors, whose sum is σ = 38510871248. Its totient is φ = 38510871246.

The previous prime is 38510871199. The next prime is 38510871253. The reversal of 38510871247 is 74217801583.

It is a strong prime.

It is an emirp because it is prime and its reverse (74217801583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38510871247 is a prime.

It is a super-2 number, since 2×38510871247² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38510871197 and 38510871206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38510871277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19255435623 + 19255435624.

It is an arithmetic number, because the mean of its divisors is an integer number (19255435624).

Almost surely, 2^38510871247 is an apocalyptic number.

38510871247 is a deficient number, since it is larger than the sum of its proper divisors (1).

38510871247 is an equidigital number, since it uses as much as digits as its factorization.

38510871247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 38510871247 in words is "thirty-eight billion, five hundred ten million, eight hundred seventy-one thousand, two hundred forty-seven".