1946889416644 has 24 divisors (see below), whose sum is σ = 3411956979648. Its totient is φ = 972044932320.

The previous prime is 1946889416621. The next prime is 1946889416677. The reversal of 1946889416644 is 4466149886491.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23293609 + ... + 23377039.

It is an arithmetic number, because the mean of its divisors is an integer number (142164874152).

Almost surely, 2^{1946889416644} is an apocalyptic number.

It is an amenable number.

1946889416644 is a deficient number, since it is larger than the sum of its proper divisors (1465067563004).

1946889416644 is a wasteful number, since it uses less digits than its factorization.

1946889416644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91755 (or 91753 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 70.

The spelling of 1946889416644 in words is "one trillion, nine hundred forty-six billion, eight hundred eighty-nine million, four hundred sixteen thousand, six hundred forty-four".