38320344861 has 12 divisors (see below), whose sum is σ = 54276106752. Its totient is φ = 24044137408.

The previous prime is 38320344859. The next prime is 38320344901. The reversal of 38320344861 is 16844302383.

It is not a de Polignac number, because 38320344861 - 2¹ = 38320344859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320344661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22098525 + ... + 22100258.

It is an arithmetic number, because the mean of its divisors is an integer number (4523008896).

Almost surely, 2^38320344861 is an apocalyptic number.

It is an amenable number.

38320344861 is a deficient number, since it is larger than the sum of its proper divisors (15955761891).

38320344861 is a wasteful number, since it uses less digits than its factorization.

38320344861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44198820 (or 44198803 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 38320344861 in words is "thirty-eight billion, three hundred twenty million, three hundred forty-four thousand, eight hundred sixty-one".