1420008673 has 2 divisors, whose sum is σ = 1420008674. Its totient is φ = 1420008672.

The previous prime is 1420008671. The next prime is 1420008683. The reversal of 1420008673 is 3768000241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391886864 + 28121809 = 37308^2 + 5303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420008673 - 2¹ = 1420008671 is a prime.

Together with 1420008671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1420008671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710004336 + 710004337.

It is an arithmetic number, because the mean of its divisors is an integer number (710004337).

Almost surely, 2^1420008673 is an apocalyptic number.

It is an amenable number.

1420008673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420008673 is an equidigital number, since it uses as much as digits as its factorization.

1420008673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1420008673 is about 37683.0024414191. The cubic root of 1420008673 is about 1123.9931529600.

The spelling of 1420008673 in words is "one billion, four hundred twenty million, eight thousand, six hundred seventy-three".