2021460463439 has 2 divisors, whose sum is σ = 2021460463440. Its totient is φ = 2021460463438.

The previous prime is 2021460463343. The next prime is 2021460463453. The reversal of 2021460463439 is 9343640641202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021460463439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021460463439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021460463499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010730231719 + 1010730231720.

It is an arithmetic number, because the mean of its divisors is an integer number (1010730231720).

Almost surely, 2^{2021460463439} is an apocalyptic number.

2021460463439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021460463439 is an equidigital number, since it uses as much as digits as its factorization.

2021460463439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 2021460463439 in words is "two trillion, twenty-one billion, four hundred sixty million, four hundred sixty-three thousand, four hundred thirty-nine".