1420105613629 has 2 divisors, whose sum is σ = 1420105613630. Its totient is φ = 1420105613628.

The previous prime is 1420105613617. The next prime is 1420105613651. The reversal of 1420105613629 is 9263165010241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408024306404 + 12081307225 = 1186602^2 + 109915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420105613629 - 2⁷ = 1420105613501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420105613591 and 1420105613600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420105613609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710052806814 + 710052806815.

It is an arithmetic number, because the mean of its divisors is an integer number (710052806815).

Almost surely, 2^{1420105613629} is an apocalyptic number.

It is an amenable number.

1420105613629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420105613629 is an equidigital number, since it uses as much as digits as its factorization.

1420105613629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1420105613629 in words is "one trillion, four hundred twenty billion, one hundred five million, six hundred thirteen thousand, six hundred twenty-nine".