1868676244945 has 8 divisors (see below), whose sum is σ = 2264182479936. Its totient is φ = 1480427005296.

The previous prime is 1868676244937. The next prime is 1868676244997. The reversal of 1868676244945 is 5494426768681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1868676244945 - 2³ = 1868676244937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814248267 + ... + 1814249296.

It is an arithmetic number, because the mean of its divisors is an integer number (283022809992).

Almost surely, 2^{1868676244945} is an apocalyptic number.

It is an amenable number.

1868676244945 is a deficient number, since it is larger than the sum of its proper divisors (395506234991).

1868676244945 is a wasteful number, since it uses less digits than its factorization.

1868676244945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628497671.

The product of its digits is 557383680, while the sum is 70.

The spelling of 1868676244945 in words is "one trillion, eight hundred sixty-eight billion, six hundred seventy-six million, two hundred forty-four thousand, nine hundred forty-five".