38100750721 has 4 divisors (see below), whose sum is σ = 41564455344. Its totient is φ = 34637046100.

The previous prime is 38100750719. The next prime is 38100750757. The reversal of 38100750721 is 12705700183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38100750721 - 2¹ = 38100750719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38100750791) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1731852295 + ... + 1731852316.

It is an arithmetic number, because the mean of its divisors is an integer number (10391113836).

Almost surely, 2^38100750721 is an apocalyptic number.

It is an amenable number.

38100750721 is a deficient number, since it is larger than the sum of its proper divisors (3463704623).

38100750721 is a wasteful number, since it uses less digits than its factorization.

38100750721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463704622.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 38100750721 in words is "thirty-eight billion, one hundred million, seven hundred fifty thousand, seven hundred twenty-one".