736138037789489 has 2 divisors, whose sum is σ = 736138037789490. Its totient is φ = 736138037789488.

The previous prime is 736138037789417. The next prime is 736138037789549. The reversal of 736138037789489 is 984987730831637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450895156741264 + 285242881048225 = 21234292^2 + 16889135^2 .

It is a cyclic number.

It is not a de Polignac number, because 736138037789489 - 2¹² = 736138037785393 is a prime.

It is a super-2 number, since 2×736138037789489² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (736138037789789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368069018894744 + 368069018894745.

It is an arithmetic number, because the mean of its divisors is an integer number (368069018894745).

Almost surely, 2^{736138037789489} is an apocalyptic number.

It is an amenable number.

736138037789489 is a deficient number, since it is larger than the sum of its proper divisors (1).

736138037789489 is an equidigital number, since it uses as much as digits as its factorization.

736138037789489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9217732608, while the sum is 83.

The spelling of 736138037789489 in words is "seven hundred thirty-six trillion, one hundred thirty-eight billion, thirty-seven million, seven hundred eighty-nine thousand, four hundred eighty-nine".