1426344720019 has 2 divisors, whose sum is σ = 1426344720020. Its totient is φ = 1426344720018.

The previous prime is 1426344719999. The next prime is 1426344720043. The reversal of 1426344720019 is 9100274436241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426344720019 - 2¹¹ = 1426344717971 is a prime.

It is a super-2 number, since 2×1426344720019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1426344700019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713172360009 + 713172360010.

It is an arithmetic number, because the mean of its divisors is an integer number (713172360010).

Almost surely, 2^{1426344720019} is an apocalyptic number.

1426344720019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426344720019 is an equidigital number, since it uses as much as digits as its factorization.

1426344720019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 1426344720019 in words is "one trillion, four hundred twenty-six billion, three hundred forty-four million, seven hundred twenty thousand, nineteen".