445406413667 has 4 divisors (see below), whose sum is σ = 446811481536. Its totient is φ = 444001345800.

The previous prime is 445406413603. The next prime is 445406413693. The reversal of 445406413667 is 766314604544.

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

It is a cyclic number.

It is not a de Polignac number, because 445406413667 - 2⁶ = 445406413603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445406493667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702533459 + ... + 702534092.

It is an arithmetic number, because the mean of its divisors is an integer number (111702870384).

Almost surely, 2^445406413667 is an apocalyptic number.

445406413667 is a deficient number, since it is larger than the sum of its proper divisors (1405067869).

445406413667 is a wasteful number, since it uses less digits than its factorization.

445406413667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405067868.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 445406413667 in words is "four hundred forty-five billion, four hundred six million, four hundred thirteen thousand, six hundred sixty-seven".