256069790701 has 2 divisors, whose sum is σ = 256069790702. Its totient is φ = 256069790700.

The previous prime is 256069790689. The next prime is 256069790789. The reversal of 256069790701 is 107097960652.

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., 255601024900 + 468765801 = 505570^2 + 21651^2 .

It is a cyclic number.

It is not a de Polignac number, because 256069790701 - 2¹⁹ = 256069266413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256069791701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128034895350 + 128034895351.

It is an arithmetic number, because the mean of its divisors is an integer number (128034895351).

Almost surely, 2^256069790701 is an apocalyptic number.

It is an amenable number.

256069790701 is a deficient number, since it is larger than the sum of its proper divisors (1).

256069790701 is an equidigital number, since it uses as much as digits as its factorization.

256069790701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 256069790701 in words is "two hundred fifty-six billion, sixty-nine million, seven hundred ninety thousand, seven hundred one".