656701040701 has 2 divisors, whose sum is σ = 656701040702. Its totient is φ = 656701040700.

The previous prime is 656701040693. The next prime is 656701040713. The reversal of 656701040701 is 107040107656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424159125625 + 232541915076 = 651275^2 + 482226^2 .

It is a cyclic number.

It is not a de Polignac number, because 656701040701 - 2³ = 656701040693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656701040791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328350520350 + 328350520351.

It is an arithmetic number, because the mean of its divisors is an integer number (328350520351).

Almost surely, 2^656701040701 is an apocalyptic number.

It is an amenable number.

656701040701 is a deficient number, since it is larger than the sum of its proper divisors (1).

656701040701 is an equidigital number, since it uses as much as digits as its factorization.

656701040701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 656701040701 in words is "six hundred fifty-six billion, seven hundred one million, forty thousand, seven hundred one".