656201135047 has 2 divisors, whose sum is σ = 656201135048. Its totient is φ = 656201135046.

The previous prime is 656201135021. The next prime is 656201135069. The reversal of 656201135047 is 740531102656.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-656201135047 is a prime.

It is a super-2 number, since 2×656201135047² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656201135347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328100567523 + 328100567524.

It is an arithmetic number, because the mean of its divisors is an integer number (328100567524).

Almost surely, 2^656201135047 is an apocalyptic number.

656201135047 is a deficient number, since it is larger than the sum of its proper divisors (1).

656201135047 is an equidigital number, since it uses as much as digits as its factorization.

656201135047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 656201135047 in words is "six hundred fifty-six billion, two hundred one million, one hundred thirty-five thousand, forty-seven".