1438250683 has 2 divisors, whose sum is σ = 1438250684. Its totient is φ = 1438250682.

The previous prime is 1438250663. The next prime is 1438250747. The reversal of 1438250683 is 3860528341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1438250683 - 2⁹ = 1438250171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1438250663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719125341 + 719125342.

It is an arithmetic number, because the mean of its divisors is an integer number (719125342).

Almost surely, 2^1438250683 is an apocalyptic number.

1438250683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438250683 is an equidigital number, since it uses as much as digits as its factorization.

1438250683 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 1438250683 is about 37924.2756423903. The cubic root of 1438250683 is about 1128.7857798338.

The spelling of 1438250683 in words is "one billion, four hundred thirty-eight million, two hundred fifty thousand, six hundred eighty-three".