1838061851147 has 8 divisors (see below), whose sum is σ = 1901489275440. Its totient is φ = 1774637492320.

The previous prime is 1838061851141. The next prime is 1838061851207. The reversal of 1838061851147 is 7411581608381.

It is a happy number.

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-1838061851147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1838061851141) 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, 488372 + ... + 1978542.

It is an arithmetic number, because the mean of its divisors is an integer number (237686159430).

Almost surely, 2^{1838061851147} is an apocalyptic number.

1838061851147 is a deficient number, since it is larger than the sum of its proper divisors (63427424293).

1838061851147 is a wasteful number, since it uses less digits than its factorization.

1838061851147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532733.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 1838061851147 in words is "one trillion, eight hundred thirty-eight billion, sixty-one million, eight hundred fifty-one thousand, one hundred forty-seven".