141981784993 has 4 divisors (see below), whose sum is σ = 141982617280. Its totient is φ = 141980952708.

The previous prime is 141981784969. The next prime is 141981785059. The reversal of 141981784993 is 399487189141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 141981784993 - 2¹³ = 141981776801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141981784393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56853 + ... + 535906.

It is an arithmetic number, because the mean of its divisors is an integer number (35495654320).

Almost surely, 2^141981784993 is an apocalyptic number.

It is an amenable number.

141981784993 is a deficient number, since it is larger than the sum of its proper divisors (832287).

141981784993 is an equidigital number, since it uses as much as digits as its factorization.

141981784993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832286.

The product of its digits is 15676416, while the sum is 64.

The spelling of 141981784993 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-four thousand, nine hundred ninety-three".