428182646413 has 2 divisors, whose sum is σ = 428182646414. Its totient is φ = 428182646412.

The previous prime is 428182646401. The next prime is 428182646453. The reversal of 428182646413 is 314646281824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427875590884 + 307055529 = 654122^2 + 17523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428182646413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428182646453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214091323206 + 214091323207.

It is an arithmetic number, because the mean of its divisors is an integer number (214091323207).

Almost surely, 2^428182646413 is an apocalyptic number.

It is an amenable number.

428182646413 is a deficient number, since it is larger than the sum of its proper divisors (1).

428182646413 is an equidigital number, since it uses as much as digits as its factorization.

428182646413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472, while the sum is 49.

The spelling of 428182646413 in words is "four hundred twenty-eight billion, one hundred eighty-two million, six hundred forty-six thousand, four hundred thirteen".