38445332843 has 4 divisors (see below), whose sum is σ = 38481983400. Its totient is φ = 38408682288.

The previous prime is 38445332833. The next prime is 38445332879. The reversal of 38445332843 is 34823354483.

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 38445332843 - 2³² = 34150365547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38445332833) 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, 18323705 + ... + 18325802.

It is an arithmetic number, because the mean of its divisors is an integer number (9620495850).

Almost surely, 2^38445332843 is an apocalyptic number.

38445332843 is a deficient number, since it is larger than the sum of its proper divisors (36650557).

38445332843 is a wasteful number, since it uses less digits than its factorization.

38445332843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36650556.

The product of its digits is 3317760, while the sum is 47.

The spelling of 38445332843 in words is "thirty-eight billion, four hundred forty-five million, three hundred thirty-two thousand, eight hundred forty-three".