1918276648775 has 24 divisors (see below), whose sum is σ = 2397030349584. Its totient is φ = 1522814630400.

The previous prime is 1918276648759. The next prime is 1918276648787. The reversal of 1918276648775 is 5778466728191.

It is not a de Polignac number, because 1918276648775 - 2⁴ = 1918276648759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1918276648699 and 1918276648708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1238129 + ... + 2317221.

It is an arithmetic number, because the mean of its divisors is an integer number (99876264566).

Almost surely, 2^{1918276648775} is an apocalyptic number.

1918276648775 is a deficient number, since it is larger than the sum of its proper divisors (478753700809).

1918276648775 is a wasteful number, since it uses less digits than its factorization.

1918276648775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079651 (or 1079646 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 71.

The spelling of 1918276648775 in words is "one trillion, nine hundred eighteen billion, two hundred seventy-six million, six hundred forty-eight thousand, seven hundred seventy-five".