1021343344039 has 2 divisors, whose sum is σ = 1021343344040. Its totient is φ = 1021343344038.

The previous prime is 1021343344003. The next prime is 1021343344061. The reversal of 1021343344039 is 9304433431201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021343344039 - 2¹⁵ = 1021343311271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021343343989 and 1021343344007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021343344139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510671672019 + 510671672020.

It is an arithmetic number, because the mean of its divisors is an integer number (510671672020).

Almost surely, 2^{1021343344039} is an apocalyptic number.

1021343344039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021343344039 is an equidigital number, since it uses as much as digits as its factorization.

1021343344039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 1021343344039 in words is "one trillion, twenty-one billion, three hundred forty-three million, three hundred forty-four thousand, thirty-nine".