38644577544683 has 12 divisors (see below), whose sum is σ = 43075366622064. Its totient is φ = 34636625192400.

The previous prime is 38644577544649. The next prime is 38644577544697.

38644577544683 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38644577544683 - 2¹⁰ = 38644577543659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38644577544683.

It is not an unprimeable number, because it can be changed into a prime (38644577541683) 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, 2249122916 + ... + 2249140097.

It is an arithmetic number, because the mean of its divisors is an integer number (3589613885172).

Almost surely, 2^{38644577544683} is an apocalyptic number.

38644577544683 is a deficient number, since it is larger than the sum of its proper divisors (4430789077381).

38644577544683 is a wasteful number, since it uses less digits than its factorization.

38644577544683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498263106 (or 4498263095 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 74.

The spelling of 38644577544683 in words is "thirty-eight trillion, six hundred forty-four billion, five hundred seventy-seven million, five hundred forty-four thousand, six hundred eighty-three".