38717672443 has 2 divisors, whose sum is σ = 38717672444. Its totient is φ = 38717672442.

The previous prime is 38717672407. The next prime is 38717672459. The reversal of 38717672443 is 34427671783.

It is a happy number.

38717672443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38717672443 - 2²¹ = 38715575291 is a prime.

It is not a weakly prime, because it can be changed into another prime (38717672143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19358836221 + 19358836222.

It is an arithmetic number, because the mean of its divisors is an integer number (19358836222).

Almost surely, 2^38717672443 is an apocalyptic number.

38717672443 is a deficient number, since it is larger than the sum of its proper divisors (1).

38717672443 is an equidigital number, since it uses as much as digits as its factorization.

38717672443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 52.

The spelling of 38717672443 in words is "thirty-eight billion, seven hundred seventeen million, six hundred seventy-two thousand, four hundred forty-three".