1403628673 has 2 divisors, whose sum is σ = 1403628674. Its totient is φ = 1403628672.

The previous prime is 1403628641. The next prime is 1403628719. The reversal of 1403628673 is 3768263041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103369089 + 300259584 = 33217^2 + 17328^2 .

It is an emirp because it is prime and its reverse (3768263041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1403628673 - 2⁵ = 1403628641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1403628773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701814336 + 701814337.

It is an arithmetic number, because the mean of its divisors is an integer number (701814337).

Almost surely, 2^1403628673 is an apocalyptic number.

It is an amenable number.

1403628673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403628673 is an equidigital number, since it uses as much as digits as its factorization.

1403628673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1403628673 is about 37465.0326704782. The cubic root of 1403628673 is about 1119.6546216623.

The spelling of 1403628673 in words is "one billion, four hundred three million, six hundred twenty-eight thousand, six hundred seventy-three".