38223426913 has 24 divisors (see below), whose sum is σ = 45108286080. Its totient is φ = 32289697440.

The previous prime is 38223426911. The next prime is 38223426959. The reversal of 38223426913 is 31962432283.

It is not a de Polignac number, because 38223426913 - 2¹ = 38223426911 is a prime.

It is a super-2 number, since 2×38223426913² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38223426913.

It is not an unprimeable number, because it can be changed into a prime (38223426911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201695 + ... + 2218987.

It is an arithmetic number, because the mean of its divisors is an integer number (1879511920).

Almost surely, 2^38223426913 is an apocalyptic number.

It is an amenable number.

38223426913 is a deficient number, since it is larger than the sum of its proper divisors (6884859167).

38223426913 is a wasteful number, since it uses less digits than its factorization.

38223426913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17957 (or 17950 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The spelling of 38223426913 in words is "thirty-eight billion, two hundred twenty-three million, four hundred twenty-six thousand, nine hundred thirteen".