4226784056461 has 2 divisors, whose sum is σ = 4226784056462. Its totient is φ = 4226784056460.

The previous prime is 4226784056423. The next prime is 4226784056543. The reversal of 4226784056461 is 1646504876224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4225635253225 + 1148803236 = 2055635^2 + 33894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4226784056461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4226784056861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113392028230 + 2113392028231.

It is an arithmetic number, because the mean of its divisors is an integer number (2113392028231).

Almost surely, 2^{4226784056461} is an apocalyptic number.

It is an amenable number.

4226784056461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4226784056461 is an equidigital number, since it uses as much as digits as its factorization.

4226784056461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 4226784056461 in words is "four trillion, two hundred twenty-six billion, seven hundred eighty-four million, fifty-six thousand, four hundred sixty-one".