405341098769 has 2 divisors, whose sum is σ = 405341098770. Its totient is φ = 405341098768.

The previous prime is 405341098733. The next prime is 405341098777. The reversal of 405341098769 is 967890143504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268311568144 + 137029530625 = 517988^2 + 370175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405341098769 is a prime.

It is a super-2 number, since 2×405341098769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405341098709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202670549384 + 202670549385.

It is an arithmetic number, because the mean of its divisors is an integer number (202670549385).

Almost surely, 2^405341098769 is an apocalyptic number.

It is an amenable number.

405341098769 is a deficient number, since it is larger than the sum of its proper divisors (1).

405341098769 is an equidigital number, since it uses as much as digits as its factorization.

405341098769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 405341098769 in words is "four hundred five billion, three hundred forty-one million, ninety-eight thousand, seven hundred sixty-nine".