38434213471 has 2 divisors, whose sum is σ = 38434213472. Its totient is φ = 38434213470.

The previous prime is 38434213439. The next prime is 38434213529. The reversal of 38434213471 is 17431243483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38434213471 - 2⁵ = 38434213439 is a prime.

It is a super-3 number, since 3×38434213471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38434213771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19217106735 + 19217106736.

It is an arithmetic number, because the mean of its divisors is an integer number (19217106736).

Almost surely, 2^38434213471 is an apocalyptic number.

38434213471 is a deficient number, since it is larger than the sum of its proper divisors (1).

38434213471 is an equidigital number, since it uses as much as digits as its factorization.

38434213471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The spelling of 38434213471 in words is "thirty-eight billion, four hundred thirty-four million, two hundred thirteen thousand, four hundred seventy-one".