706040246657 has 2 divisors, whose sum is σ = 706040246658. Its totient is φ = 706040246656.

The previous prime is 706040246647. The next prime is 706040246693. The reversal of 706040246657 is 756642040607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597040563856 + 108999682801 = 772684^2 + 330151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706040246657 is a prime.

It is not a weakly prime, because it can be changed into another prime (706040246647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353020123328 + 353020123329.

It is an arithmetic number, because the mean of its divisors is an integer number (353020123329).

Almost surely, 2^706040246657 is an apocalyptic number.

It is an amenable number.

706040246657 is a deficient number, since it is larger than the sum of its proper divisors (1).

706040246657 is an equidigital number, since it uses as much as digits as its factorization.

706040246657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 706040246657 in words is "seven hundred six billion, forty million, two hundred forty-six thousand, six hundred fifty-seven".