1021441344013 has 4 divisors (see below), whose sum is σ = 1035827841888. Its totient is φ = 1007054846140.

The previous prime is 1021441343981. The next prime is 1021441344097. The reversal of 1021441344013 is 3104431441201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1021441344013 - 2⁵ = 1021441343981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021441344113) 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, 7193248831 + ... + 7193248972.

It is an arithmetic number, because the mean of its divisors is an integer number (258956960472).

Almost surely, 2^{1021441344013} is an apocalyptic number.

It is an amenable number.

1021441344013 is a deficient number, since it is larger than the sum of its proper divisors (14386497875).

1021441344013 is an equidigital number, since it uses as much as digits as its factorization.

1021441344013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14386497874.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1021441344013 its reverse (3104431441201), we get a palindrome (4125872785214).

The spelling of 1021441344013 in words is "one trillion, twenty-one billion, four hundred forty-one million, three hundred forty-four thousand, thirteen".