37818355381873 has 48 divisors (see below), whose sum is σ = 44289927273600. Its totient is φ = 31964074419200.

The previous prime is 37818355381787. The next prime is 37818355381957.

37818355381873 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 37818355381873 - 2¹³ = 37818355373681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37818355381673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114238533 + ... + 114569101.

It is an arithmetic number, because the mean of its divisors is an integer number (922706818200).

Almost surely, 2^{37818355381873} is an apocalyptic number.

It is an amenable number.

37818355381873 is a deficient number, since it is larger than the sum of its proper divisors (6471571891727).

37818355381873 is a wasteful number, since it uses less digits than its factorization.

37818355381873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330954 (or 330913 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 70.

The spelling of 37818355381873 in words is "thirty-seven trillion, eight hundred eighteen billion, three hundred fifty-five million, three hundred eighty-one thousand, eight hundred seventy-three".