405434451311 has 2 divisors, whose sum is σ = 405434451312. Its totient is φ = 405434451310.

The previous prime is 405434451281. The next prime is 405434451371. The reversal of 405434451311 is 113154434504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405434451311 - 2³⁸ = 130556544367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405434451371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202717225655 + 202717225656.

It is an arithmetic number, because the mean of its divisors is an integer number (202717225656).

Almost surely, 2^405434451311 is an apocalyptic number.

405434451311 is a deficient number, since it is larger than the sum of its proper divisors (1).

405434451311 is an equidigital number, since it uses as much as digits as its factorization.

405434451311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 405434451311 its reverse (113154434504), we get a palindrome (518588885815).

The spelling of 405434451311 in words is "four hundred five billion, four hundred thirty-four million, four hundred fifty-one thousand, three hundred eleven".