405161362462643 has 2 divisors, whose sum is σ = 405161362462644. Its totient is φ = 405161362462642.

The previous prime is 405161362462609. The next prime is 405161362462657. The reversal of 405161362462643 is 346264263161504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405161362462643 - 2¹⁰ = 405161362461619 is a prime.

It is not a weakly prime, because it can be changed into another prime (405161362462243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202580681231321 + 202580681231322.

It is an arithmetic number, because the mean of its divisors is an integer number (202580681231322).

Almost surely, 2^{405161362462643} is an apocalyptic number.

405161362462643 is a deficient number, since it is larger than the sum of its proper divisors (1).

405161362462643 is an equidigital number, since it uses as much as digits as its factorization.

405161362462643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 405161362462643 in words is "four hundred five trillion, one hundred sixty-one billion, three hundred sixty-two million, four hundred sixty-two thousand, six hundred forty-three".