842450629 has 2 divisors, whose sum is σ = 842450630. Its totient is φ = 842450628.

The previous prime is 842450617. The next prime is 842450639. The reversal of 842450629 is 926054248.

842450629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842450625 + 4 = 29025^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 842450629 - 2⁷ = 842450501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 842450591 and 842450600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842450639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421225314 + 421225315.

It is an arithmetic number, because the mean of its divisors is an integer number (421225315).

Almost surely, 2^842450629 is an apocalyptic number.

It is an amenable number.

842450629 is a deficient number, since it is larger than the sum of its proper divisors (1).

842450629 is an equidigital number, since it uses as much as digits as its factorization.

842450629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 842450629 is about 29025.0000689061. Note that the first 4 decimals coincide. The cubic root of 842450629 is about 944.4554700961.

The spelling of 842450629 in words is "eight hundred forty-two million, four hundred fifty thousand, six hundred twenty-nine".