2021067010639 has 2 divisors, whose sum is σ = 2021067010640. Its totient is φ = 2021067010638.

The previous prime is 2021067010577. The next prime is 2021067010657. The reversal of 2021067010639 is 9360107601202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021067010639 - 2²³ = 2021058622031 is a prime.

It is a super-2 number, since 2×2021067010639² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021067010598 and 2021067010607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021067010679) 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 as a sum of consecutive naturals, namely, 1010533505319 + 1010533505320.

It is an arithmetic number, because the mean of its divisors is an integer number (1010533505320).

Almost surely, 2^{2021067010639} is an apocalyptic number.

2021067010639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021067010639 is an equidigital number, since it uses as much as digits as its factorization.

2021067010639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 2021067010639 in words is "two trillion, twenty-one billion, sixty-seven million, ten thousand, six hundred thirty-nine".