1993084562064 has 40 divisors (see below), whose sum is σ = 5258350765440. Its totient is φ = 650226168448.

The previous prime is 1993084562033. The next prime is 1993084562159. The reversal of 1993084562064 is 4602654803991.

It is a junction number, because it is equal to n+sod(n) for n = 1993084561995 and 1993084562013.

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, 441727479 + ... + 441731990.

It is an arithmetic number, because the mean of its divisors is an integer number (131458769136).

Almost surely, 2^{1993084562064} is an apocalyptic number.

It is an amenable number.

1993084562064 is an abundant number, since it is smaller than the sum of its proper divisors (3265266203376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1993084562064 is a wasteful number, since it uses less digits than its factorization.

1993084562064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883459527 (or 883459521 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 1993084562064 in words is "one trillion, nine hundred ninety-three billion, eighty-four million, five hundred sixty-two thousand, sixty-four".