709287782941 has 2 divisors, whose sum is σ = 709287782942. Its totient is φ = 709287782940.

The previous prime is 709287782897. The next prime is 709287782947. The reversal of 709287782941 is 149287782907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697273430841 + 12014352100 = 835029^2 + 109610^2 .

It is a cyclic number.

It is not a de Polignac number, because 709287782941 - 2⁷ = 709287782813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709287782947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354643891470 + 354643891471.

It is an arithmetic number, because the mean of its divisors is an integer number (354643891471).

Almost surely, 2^709287782941 is an apocalyptic number.

It is an amenable number.

709287782941 is a deficient number, since it is larger than the sum of its proper divisors (1).

709287782941 is an equidigital number, since it uses as much as digits as its factorization.

709287782941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 64.

The spelling of 709287782941 in words is "seven hundred nine billion, two hundred eighty-seven million, seven hundred eighty-two thousand, nine hundred forty-one".