1838634354201 has 16 divisors (see below), whose sum is σ = 2497445150400. Its totient is φ = 1202862924288.

The previous prime is 1838634354197. The next prime is 1838634354203. The reversal of 1838634354201 is 1024534368381.

It is not a de Polignac number, because 1838634354201 - 2² = 1838634354197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1838634354203) 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 15 ways as a sum of consecutive naturals, for example, 9027376 + ... + 9228801.

It is an arithmetic number, because the mean of its divisors is an integer number (156090321900).

Almost surely, 2^{1838634354201} is an apocalyptic number.

It is an amenable number.

1838634354201 is a deficient number, since it is larger than the sum of its proper divisors (658810796199).

1838634354201 is a wasteful number, since it uses less digits than its factorization.

1838634354201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18256808.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 1838634354201 in words is "one trillion, eight hundred thirty-eight billion, six hundred thirty-four million, three hundred fifty-four thousand, two hundred one".