719242129391117 has 2 divisors, whose sum is σ = 719242129391118. Its totient is φ = 719242129391116.

The previous prime is 719242129391101. The next prime is 719242129391243. The reversal of 719242129391117 is 711193921242917.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666677512369801 + 52564617021316 = 25820099^2 + 7250146^2 .

It is a cyclic number.

It is not a de Polignac number, because 719242129391117 - 2⁴ = 719242129391101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719242129390117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359621064695558 + 359621064695559.

It is an arithmetic number, because the mean of its divisors is an integer number (359621064695559).

Almost surely, 2^{719242129391117} is an apocalyptic number.

It is an amenable number.

719242129391117 is a deficient number, since it is larger than the sum of its proper divisors (1).

719242129391117 is an equidigital number, since it uses as much as digits as its factorization.

719242129391117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 59.

The spelling of 719242129391117 in words is "seven hundred nineteen trillion, two hundred forty-two billion, one hundred twenty-nine million, three hundred ninety-one thousand, one hundred seventeen".