38329132447 has 2 divisors, whose sum is σ = 38329132448. Its totient is φ = 38329132446.

The previous prime is 38329132441. The next prime is 38329132553. The reversal of 38329132447 is 74423192383.

It is a happy number.

38329132447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38329132447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38329132397 and 38329132406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38329132441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19164566223 + 19164566224.

It is an arithmetic number, because the mean of its divisors is an integer number (19164566224).

Almost surely, 2^38329132447 is an apocalyptic number.

38329132447 is a deficient number, since it is larger than the sum of its proper divisors (1).

38329132447 is an equidigital number, since it uses as much as digits as its factorization.

38329132447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The spelling of 38329132447 in words is "thirty-eight billion, three hundred twenty-nine million, one hundred thirty-two thousand, four hundred forty-seven".