406062042065 has 4 divisors (see below), whose sum is σ = 487274450484. Its totient is φ = 324849633648.

The previous prime is 406062042059. The next prime is 406062042073. The reversal of 406062042065 is 560240260604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48898034641 + 357164007424 = 221129^2 + 597632^2 .

It is a cyclic number.

It is not a de Polignac number, because 406062042065 - 2²² = 406057847761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40606204202 + ... + 40606204211.

It is an arithmetic number, because the mean of its divisors is an integer number (121818612621).

Almost surely, 2^406062042065 is an apocalyptic number.

It is an amenable number.

406062042065 is a deficient number, since it is larger than the sum of its proper divisors (81212408419).

406062042065 is an equidigital number, since it uses as much as digits as its factorization.

406062042065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81212408418.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 406062042065 in words is "four hundred six billion, sixty-two million, forty-two thousand, sixty-five".