1693940575143 has 8 divisors (see below), whose sum is σ = 2258659965168. Its totient is φ = 1129257450944.

The previous prime is 1693940575139. The next prime is 1693940575153. The reversal of 1693940575143 is 3415750493961.

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

It is a cyclic number.

It is not a de Polignac number, because 1693940575143 - 2² = 1693940575139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1693940575123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8957280 + ... + 9144437.

It is an arithmetic number, because the mean of its divisors is an integer number (282332495646).

Almost surely, 2^{1693940575143} is an apocalyptic number.

1693940575143 is a deficient number, since it is larger than the sum of its proper divisors (564719390025).

1693940575143 is a wasteful number, since it uses less digits than its factorization.

1693940575143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18132913.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 1693940575143 in words is "one trillion, six hundred ninety-three billion, nine hundred forty million, five hundred seventy-five thousand, one hundred forty-three".