405096691 has 2 divisors, whose sum is σ = 405096692. Its totient is φ = 405096690.

The previous prime is 405096661. The next prime is 405096697. The reversal of 405096691 is 196690504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405096691 - 2¹¹ = 405094643 is a prime.

It is not a weakly prime, because it can be changed into another prime (405096697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202548345 + 202548346.

It is an arithmetic number, because the mean of its divisors is an integer number (202548346).

Almost surely, 2^405096691 is an apocalyptic number.

405096691 is a deficient number, since it is larger than the sum of its proper divisors (1).

405096691 is an equidigital number, since it uses as much as digits as its factorization.

405096691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 405096691 is about 20127.0139613406. The cubic root of 405096691 is about 739.9224967528.

The spelling of 405096691 in words is "four hundred five million, ninety-six thousand, six hundred ninety-one".