38426563622481 has 4 divisors (see below), whose sum is σ = 51235418163312. Its totient is φ = 25617709081652.

The previous prime is 38426563622479. The next prime is 38426563622501. The reversal of 38426563622481 is 18422636562483.

38426563622481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38426563622481 - 2¹ = 38426563622479 is a prime.

It is a super-2 number, since 2×38426563622481² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38426563622581) 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 in 3 ways as a sum of consecutive naturals, for example, 6404427270411 + ... + 6404427270416.

It is an arithmetic number, because the mean of its divisors is an integer number (12808854540828).

Almost surely, 2^{38426563622481} is an apocalyptic number.

It is an amenable number.

38426563622481 is a deficient number, since it is larger than the sum of its proper divisors (12808854540831).

38426563622481 is a wasteful number, since it uses less digits than its factorization.

38426563622481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808854540830.

The product of its digits is 79626240, while the sum is 60.

The spelling of 38426563622481 in words is "thirty-eight trillion, four hundred twenty-six billion, five hundred sixty-three million, six hundred twenty-two thousand, four hundred eighty-one".