38241256447 has 2 divisors, whose sum is σ = 38241256448. Its totient is φ = 38241256446.

The previous prime is 38241256421. The next prime is 38241256453. The reversal of 38241256447 is 74465214283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38241256447 - 2²⁷ = 38107038719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38241256397 and 38241256406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38241256457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19120628223 + 19120628224.

It is an arithmetic number, because the mean of its divisors is an integer number (19120628224).

Almost surely, 2^38241256447 is an apocalyptic number.

38241256447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38241256447 is an equidigital number, since it uses as much as digits as its factorization.

38241256447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 46.

The spelling of 38241256447 in words is "thirty-eight billion, two hundred forty-one million, two hundred fifty-six thousand, four hundred forty-seven".