39845054893 has 8 divisors (see below), whose sum is σ = 47517084288. Its totient is φ = 32667995184.

The previous prime is 39845054863. The next prime is 39845054941.

39845054893 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39845054893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39845054833) 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 7 ways as a sum of consecutive naturals, for example, 123742246 + ... + 123742567.

It is an arithmetic number, because the mean of its divisors is an integer number (5939635536).

Almost surely, 2^39845054893 is an apocalyptic number.

It is an amenable number.

39845054893 is a deficient number, since it is larger than the sum of its proper divisors (7672029395).

39845054893 is a wasteful number, since it uses less digits than its factorization.

39845054893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247484843.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 39845054893 in words is "thirty-nine billion, eight hundred forty-five million, fifty-four thousand, eight hundred ninety-three".