1051983333818 has 4 divisors (see below), whose sum is σ = 1577975000730. Its totient is φ = 525991666908.

The previous prime is 1051983333811. The next prime is 1051983333839. The reversal of 1051983333818 is 8183333891501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 794545825129 + 257437508689 = 891373^2 + 507383^2 .

It is a super-2 number, since 2×1051983333818² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051983333818.

It is not an unprimeable number, because it can be changed into a prime (1051983333811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262995833453 + ... + 262995833456.

Almost surely, 2^{1051983333818} is an apocalyptic number.

1051983333818 is a deficient number, since it is larger than the sum of its proper divisors (525991666912).

1051983333818 is an equidigital number, since it uses as much as digits as its factorization.

1051983333818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525991666911.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1051983333818 in words is "one trillion, fifty-one billion, nine hundred eighty-three million, three hundred thirty-three thousand, eight hundred eighteen".