3837558385385 has 8 divisors (see below), whose sum is σ = 4605325341696. Its totient is φ = 3069876522160.

The previous prime is 3837558385321. The next prime is 3837558385387. The reversal of 3837558385385 is 5835838557383.

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

It is not a de Polignac number, because 3837558385385 - 2⁶ = 3837558385321 is a prime.

It is a super-2 number, since 2×3837558385385² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3837558385387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21174011 + ... + 21354480.

It is an arithmetic number, because the mean of its divisors is an integer number (575665667712).

Almost surely, 2^{3837558385385} is an apocalyptic number.

It is an amenable number.

3837558385385 is a deficient number, since it is larger than the sum of its proper divisors (767766956311).

3837558385385 is a wasteful number, since it uses less digits than its factorization.

3837558385385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42546543.

The product of its digits is 1451520000, while the sum is 71.

The spelling of 3837558385385 in words is "three trillion, eight hundred thirty-seven billion, five hundred fifty-eight million, three hundred eighty-five thousand, three hundred eighty-five".