38953773165 has 8 divisors (see below), whose sum is σ = 62326037088. Its totient is φ = 20775345680.

The previous prime is 38953773151. The next prime is 38953773239. The reversal of 38953773165 is 56137735983.

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

It is not a de Polignac number, because 38953773165 - 2⁴ = 38953773149 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1298459091 + ... + 1298459120.

It is an arithmetic number, because the mean of its divisors is an integer number (7790754636).

Almost surely, 2^38953773165 is an apocalyptic number.

It is an amenable number.

38953773165 is a deficient number, since it is larger than the sum of its proper divisors (23372263923).

38953773165 is a wasteful number, since it uses less digits than its factorization.

38953773165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596918219.

The product of its digits is 14288400, while the sum is 57.

The spelling of 38953773165 in words is "thirty-eight billion, nine hundred fifty-three million, seven hundred seventy-three thousand, one hundred sixty-five".