38434213455 has 32 divisors (see below), whose sum is σ = 67838964480. Its totient is φ = 18425383680.

The previous prime is 38434213439. The next prime is 38434213471. The reversal of 38434213455 is 55431243483.

It is an interprime number because it is at equal distance from previous prime (38434213439) and next prime (38434213471).

It is not a de Polignac number, because 38434213455 - 2⁴ = 38434213439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293937 + ... + 1323306.

It is an arithmetic number, because the mean of its divisors is an integer number (2119967640).

Almost surely, 2^38434213455 is an apocalyptic number.

38434213455 is a deficient number, since it is larger than the sum of its proper divisors (29404751025).

38434213455 is a wasteful number, since it uses less digits than its factorization.

38434213455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617351.

The product of its digits is 691200, while the sum is 42.

The spelling of 38434213455 in words is "thirty-eight billion, four hundred thirty-four million, two hundred thirteen thousand, four hundred fifty-five".