38286364891 has 4 divisors (see below), whose sum is σ = 39606584400. Its totient is φ = 36966145384.

The previous prime is 38286364873. The next prime is 38286364913. The reversal of 38286364891 is 19846368283.

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

It is a cyclic number.

It is not a de Polignac number, because 38286364891 - 2⁵ = 38286364859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38286364841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660109711 + ... + 660109768.

It is an arithmetic number, because the mean of its divisors is an integer number (9901646100).

Almost surely, 2^38286364891 is an apocalyptic number.

38286364891 is a deficient number, since it is larger than the sum of its proper divisors (1320219509).

38286364891 is a wasteful number, since it uses less digits than its factorization.

38286364891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320219508.

The product of its digits is 11943936, while the sum is 58.

The spelling of 38286364891 in words is "thirty-eight billion, two hundred eighty-six million, three hundred sixty-four thousand, eight hundred ninety-one".