411609465021 has 4 divisors (see below), whose sum is σ = 548812620032. Its totient is φ = 274406310012.

The previous prime is 411609464999. The next prime is 411609465107. The reversal of 411609465021 is 120564906114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 411609465021 - 2⁵ = 411609464989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411609475021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68601577501 + ... + 68601577506.

It is an arithmetic number, because the mean of its divisors is an integer number (137203155008).

Almost surely, 2^411609465021 is an apocalyptic number.

It is an amenable number.

411609465021 is a deficient number, since it is larger than the sum of its proper divisors (137203155011).

411609465021 is a wasteful number, since it uses less digits than its factorization.

411609465021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137203155010.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 411609465021 in words is "four hundred eleven billion, six hundred nine million, four hundred sixty-five thousand, twenty-one".