1894485660801 has 16 divisors (see below), whose sum is σ = 2644188991488. Its totient is φ = 1205034037200.

The previous prime is 1894485660797. The next prime is 1894485660811. The reversal of 1894485660801 is 1080665844981.

It is a happy number.

It is not a de Polignac number, because 1894485660801 - 2² = 1894485660797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1894485660811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143449831 + ... + 143463036.

It is an arithmetic number, because the mean of its divisors is an integer number (165261811968).

Almost surely, 2^{1894485660801} is an apocalyptic number.

It is an amenable number.

1894485660801 is a deficient number, since it is larger than the sum of its proper divisors (749703330687).

1894485660801 is a wasteful number, since it uses less digits than its factorization.

1894485660801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286912972.

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 1894485660801 in words is "one trillion, eight hundred ninety-four billion, four hundred eighty-five million, six hundred sixty thousand, eight hundred one".