38073421965 has 8 divisors (see below), whose sum is σ = 60917475168. Its totient is φ = 20305825040.

The previous prime is 38073421963. The next prime is 38073421987. The reversal of 38073421965 is 56912437083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38073421965 - 2¹ = 38073421963 is a prime.

It is a super-2 number, since 2×38073421965² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38073421961) 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 7 ways as a sum of consecutive naturals, for example, 1269114051 + ... + 1269114080.

It is an arithmetic number, because the mean of its divisors is an integer number (7614684396).

It is a 1-persistent number, because it is pandigital, but 2⋅38073421965 = 76146843930 is not.

Almost surely, 2^38073421965 is an apocalyptic number.

It is an amenable number.

38073421965 is a deficient number, since it is larger than the sum of its proper divisors (22844053203).

38073421965 is a wasteful number, since it uses less digits than its factorization.

38073421965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538228139.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 38073421965 in words is "thirty-eight billion, seventy-three million, four hundred twenty-one thousand, nine hundred sixty-five".