38721322100836 has 6 divisors (see below), whose sum is σ = 67762313676470. Its totient is φ = 19360661050416.

The previous prime is 38721322100807. The next prime is 38721322100863. The reversal of 38721322100836 is 63800122312783.

It can be written as a sum of positive squares in only one way, i.e., 37984910976100 + 736411124736 = 6163190^2 + 858144^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4840165262601 + ... + 4840165262608.

Almost surely, 2^{38721322100836} is an apocalyptic number.

It is an amenable number.

38721322100836 is a deficient number, since it is larger than the sum of its proper divisors (29040991575634).

38721322100836 is a wasteful number, since it uses less digits than its factorization.

38721322100836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680330525213 (or 9680330525211 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 38721322100836 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred twenty-two million, one hundred thousand, eight hundred thirty-six".