1622473989143 has 8 divisors (see below), whose sum is σ = 1854280917888. Its totient is φ = 1390673292984.

The previous prime is 1622473989139. The next prime is 1622473989151. The reversal of 1622473989143 is 3419893742261.

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 1622473989143 - 2² = 1622473989139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622473989193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 986321 + ... + 2053722.

It is an arithmetic number, because the mean of its divisors is an integer number (231785114736).

Almost surely, 2^{1622473989143} is an apocalyptic number.

1622473989143 is a deficient number, since it is larger than the sum of its proper divisors (231806928745).

1622473989143 is an equidigital number, since it uses as much as digits as its factorization.

1622473989143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116293.

The product of its digits is 15676416, while the sum is 59.

The spelling of 1622473989143 in words is "one trillion, six hundred twenty-two billion, four hundred seventy-three million, nine hundred eighty-nine thousand, one hundred forty-three".