1985033700064 has 24 divisors (see below), whose sum is σ = 3932927050248. Its totient is φ = 986195084160.

The previous prime is 1985033699981. The next prime is 1985033700073. The reversal of 1985033700064 is 4600073305891.

It is a super-3 number, since 3×1985033700064³ (a number of 38 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1985033699987 and 1985033700023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197550082 + ... + 197560129.

It is an arithmetic number, because the mean of its divisors is an integer number (163871960427).

Almost surely, 2^{1985033700064} is an apocalyptic number.

It is an amenable number.

1985033700064 is a deficient number, since it is larger than the sum of its proper divisors (1947893350184).

1985033700064 is a wasteful number, since it uses less digits than its factorization.

1985033700064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395110378 (or 395110370 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 1985033700064 in words is "one trillion, nine hundred eighty-five billion, thirty-three million, seven hundred thousand, sixty-four".