738643093 has 2 divisors, whose sum is σ = 738643094. Its totient is φ = 738643092.

The previous prime is 738643067. The next prime is 738643097. The reversal of 738643093 is 390346837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580713604 + 157929489 = 24098^2 + 12567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738643093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738643097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369321546 + 369321547.

It is an arithmetic number, because the mean of its divisors is an integer number (369321547).

Almost surely, 2^738643093 is an apocalyptic number.

It is an amenable number.

738643093 is a deficient number, since it is larger than the sum of its proper divisors (1).

738643093 is an equidigital number, since it uses as much as digits as its factorization.

738643093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 738643093 is about 27177.9891272331. The cubic root of 738643093 is about 903.9509809253.

The spelling of 738643093 in words is "seven hundred thirty-eight million, six hundred forty-three thousand, ninety-three".