38343986851 has 8 divisors (see below), whose sum is σ = 38916881120. Its totient is φ = 37774950912.

The previous prime is 38343986839. The next prime is 38343986873. The reversal of 38343986851 is 15868934383.

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

It is a cyclic number.

It is not a de Polignac number, because 38343986851 - 2¹⁵ = 38343954083 is a prime.

It is a super-2 number, since 2×38343986851² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38343956851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944556 + ... + 984313.

It is an arithmetic number, because the mean of its divisors is an integer number (4864610140).

Almost surely, 2^38343986851 is an apocalyptic number.

38343986851 is a deficient number, since it is larger than the sum of its proper divisors (572894269).

38343986851 is a wasteful number, since it uses less digits than its factorization.

38343986851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929165.

The product of its digits is 14929920, while the sum is 58.

The spelling of 38343986851 in words is "thirty-eight billion, three hundred forty-three million, nine hundred eighty-six thousand, eight hundred fifty-one".