1442140001641 has 4 divisors (see below), whose sum is σ = 1442162545492. Its totient is φ = 1442117457792.

The previous prime is 1442140001597. The next prime is 1442140001671. The reversal of 1442140001641 is 1461000412441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1143263485225 + 298876516416 = 1069235^2 + 546696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442140001641 - 2¹³ = 1442139993449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442140001671) 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, 11175696 + ... + 11304001.

It is an arithmetic number, because the mean of its divisors is an integer number (360540636373).

Almost surely, 2^{1442140001641} is an apocalyptic number.

It is an amenable number.

1442140001641 is a deficient number, since it is larger than the sum of its proper divisors (22543851).

1442140001641 is an equidigital number, since it uses as much as digits as its factorization.

1442140001641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22543850.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 1442140001641 in words is "one trillion, four hundred forty-two billion, one hundred forty million, one thousand, six hundred forty-one".