719005948889 has 2 divisors, whose sum is σ = 719005948890. Its totient is φ = 719005948888.

The previous prime is 719005948873. The next prime is 719005948919. The reversal of 719005948889 is 988849500917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606708577225 + 112297371664 = 778915^2 + 335108^2 .

It is a cyclic number.

It is not a de Polignac number, because 719005948889 - 2⁴ = 719005948873 is a prime.

It is not a weakly prime, because it can be changed into another prime (719005908889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359502974444 + 359502974445.

It is an arithmetic number, because the mean of its divisors is an integer number (359502974445).

Almost surely, 2^719005948889 is an apocalyptic number.

It is an amenable number.

719005948889 is a deficient number, since it is larger than the sum of its proper divisors (1).

719005948889 is an equidigital number, since it uses as much as digits as its factorization.

719005948889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 68.

The spelling of 719005948889 in words is "seven hundred nineteen billion, five million, nine hundred forty-eight thousand, eight hundred eighty-nine".