1426642620479 has 2 divisors, whose sum is σ = 1426642620480. Its totient is φ = 1426642620478.

The previous prime is 1426642620467. The next prime is 1426642620493. The reversal of 1426642620479 is 9740262466241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426642620479 - 2⁴ = 1426642620463 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426642620479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426642620409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713321310239 + 713321310240.

It is an arithmetic number, because the mean of its divisors is an integer number (713321310240).

Almost surely, 2^{1426642620479} is an apocalyptic number.

1426642620479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426642620479 is an equidigital number, since it uses as much as digits as its factorization.

1426642620479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 1426642620479 in words is "one trillion, four hundred twenty-six billion, six hundred forty-two million, six hundred twenty thousand, four hundred seventy-nine".