406544353619 has 2 divisors, whose sum is σ = 406544353620. Its totient is φ = 406544353618.

The previous prime is 406544353543. The next prime is 406544353637. The reversal of 406544353619 is 916353445604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406544353619 is a prime.

It is a super-2 number, since 2×406544353619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406544352619) 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, 203272176809 + 203272176810.

It is an arithmetic number, because the mean of its divisors is an integer number (203272176810).

Almost surely, 2^406544353619 is an apocalyptic number.

406544353619 is a deficient number, since it is larger than the sum of its proper divisors (1).

406544353619 is an equidigital number, since it uses as much as digits as its factorization.

406544353619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 406544353619 in words is "four hundred six billion, five hundred forty-four million, three hundred fifty-three thousand, six hundred nineteen".