1420105613617 has 2 divisors, whose sum is σ = 1420105613618. Its totient is φ = 1420105613616.

The previous prime is 1420105613611. The next prime is 1420105613629. The reversal of 1420105613617 is 7163165010241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1393700663601 + 26404950016 = 1180551^2 + 162496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420105613617 - 2³ = 1420105613609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420105613611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710052806808 + 710052806809.

It is an arithmetic number, because the mean of its divisors is an integer number (710052806809).

Almost surely, 2^{1420105613617} is an apocalyptic number.

It is an amenable number.

1420105613617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420105613617 is an equidigital number, since it uses as much as digits as its factorization.

1420105613617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1420105613617 in words is "one trillion, four hundred twenty billion, one hundred five million, six hundred thirteen thousand, six hundred seventeen".