1693893884390 has 8 divisors (see below), whose sum is σ = 3049008991920. Its totient is φ = 677557553752.

The previous prime is 1693893884339. The next prime is 1693893884401. The reversal of 1693893884390 is 934883983961.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 84694694210 + ... + 84694694229.

It is an arithmetic number, because the mean of its divisors is an integer number (381126123990).

Almost surely, 2^{1693893884390} is an apocalyptic number.

1693893884390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1693893884390 is a deficient number, since it is larger than the sum of its proper divisors (1355115107530).

1693893884390 is a wasteful number, since it uses less digits than its factorization.

1693893884390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169389388446.

The product of its (nonzero) digits is 241864704, while the sum is 71.

The spelling of 1693893884390 in words is "one trillion, six hundred ninety-three billion, eight hundred ninety-three million, eight hundred eighty-four thousand, three hundred ninety".