739378191089 has 2 divisors, whose sum is σ = 739378191090. Its totient is φ = 739378191088.

The previous prime is 739378191067. The next prime is 739378191127. The reversal of 739378191089 is 980191873937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722556101089 + 16822090000 = 850033^2 + 129700^2 .

It is a cyclic number.

It is not a de Polignac number, because 739378191089 - 2⁸ = 739378190833 is a prime.

It is not a weakly prime, because it can be changed into another prime (739378191289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369689095544 + 369689095545.

It is an arithmetic number, because the mean of its divisors is an integer number (369689095545).

Almost surely, 2^739378191089 is an apocalyptic number.

It is an amenable number.

739378191089 is a deficient number, since it is larger than the sum of its proper divisors (1).

739378191089 is an equidigital number, since it uses as much as digits as its factorization.

739378191089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 65.

The spelling of 739378191089 in words is "seven hundred thirty-nine billion, three hundred seventy-eight million, one hundred ninety-one thousand, eighty-nine".