405550351043 has 2 divisors, whose sum is σ = 405550351044. Its totient is φ = 405550351042.

The previous prime is 405550351009. The next prime is 405550351049. The reversal of 405550351043 is 340153055504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405550351043 - 2⁸ = 405550350787 is a prime.

It is a super-2 number, since 2×405550351043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 405550350994 and 405550351012.

It is not a weakly prime, because it can be changed into another prime (405550351049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202775175521 + 202775175522.

It is an arithmetic number, because the mean of its divisors is an integer number (202775175522).

Almost surely, 2^405550351043 is an apocalyptic number.

405550351043 is a deficient number, since it is larger than the sum of its proper divisors (1).

405550351043 is an equidigital number, since it uses as much as digits as its factorization.

405550351043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 405550351043 in words is "four hundred five billion, five hundred fifty million, three hundred fifty-one thousand, forty-three".