1420835953 has 2 divisors, whose sum is σ = 1420835954. Its totient is φ = 1420835952.

The previous prime is 1420835917. The next prime is 1420835957. The reversal of 1420835953 is 3595380241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1419179584 + 1656369 = 37672^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420835953 - 2⁹ = 1420835441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420835957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710417976 + 710417977.

It is an arithmetic number, because the mean of its divisors is an integer number (710417977).

Almost surely, 2^1420835953 is an apocalyptic number.

It is an amenable number.

1420835953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420835953 is an equidigital number, since it uses as much as digits as its factorization.

1420835953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 1420835953 is about 37693.9776754855. The cubic root of 1420835953 is about 1124.2113855565.

The spelling of 1420835953 in words is "one billion, four hundred twenty million, eight hundred thirty-five thousand, nine hundred fifty-three".