38101907885 has 4 divisors (see below), whose sum is σ = 45722289468. Its totient is φ = 30481526304.

The previous prime is 38101907861. The next prime is 38101907933. The reversal of 38101907885 is 58870910183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4652058436 + 33449849449 = 68206^2 + 182893^2 .

It is a cyclic number.

It is not a de Polignac number, because 38101907885 - 2⁶ = 38101907821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810190784 + ... + 3810190793.

It is an arithmetic number, because the mean of its divisors is an integer number (11430572367).

Almost surely, 2^38101907885 is an apocalyptic number.

It is an amenable number.

38101907885 is a deficient number, since it is larger than the sum of its proper divisors (7620381583).

38101907885 is an equidigital number, since it uses as much as digits as its factorization.

38101907885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620381582.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 38101907885 in words is "thirty-eight billion, one hundred one million, nine hundred seven thousand, eight hundred eighty-five".