772239541289 has 2 divisors, whose sum is σ = 772239541290. Its totient is φ = 772239541288.

The previous prime is 772239541189. The next prime is 772239541291. The reversal of 772239541289 is 982145932277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639787217689 + 132452323600 = 799867^2 + 363940^2 .

It is a cyclic number.

It is not a de Polignac number, because 772239541289 - 2²⁴ = 772222764073 is a prime.

Together with 772239541291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (772239541189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386119770644 + 386119770645.

It is an arithmetic number, because the mean of its divisors is an integer number (386119770645).

Almost surely, 2^772239541289 is an apocalyptic number.

It is an amenable number.

772239541289 is a deficient number, since it is larger than the sum of its proper divisors (1).

772239541289 is an equidigital number, since it uses as much as digits as its factorization.

772239541289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 59.

The spelling of 772239541289 in words is "seven hundred seventy-two billion, two hundred thirty-nine million, five hundred forty-one thousand, two hundred eighty-nine".