334312021409 has 4 divisors (see below), whose sum is σ = 334630111920. Its totient is φ = 333993930900.

The previous prime is 334312021331. The next prime is 334312021429. The reversal of 334312021409 is 904120213433.

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, and also an emirpimes, since its reverse is a distinct semiprime: 904120213433 = 128657 ⋅7027369.

It is a cyclic number.

It is not a de Polignac number, because 334312021409 - 2²⁰ = 334310972833 is a prime.

It is a super-2 number, since 2×334312021409² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334312021429) 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, 159043679 + ... + 159045780.

It is an arithmetic number, because the mean of its divisors is an integer number (83657527980).

Almost surely, 2^334312021409 is an apocalyptic number.

It is an amenable number.

334312021409 is a deficient number, since it is larger than the sum of its proper divisors (318090511).

334312021409 is a wasteful number, since it uses less digits than its factorization.

334312021409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318090510.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 334312021409 in words is "three hundred thirty-four billion, three hundred twelve million, twenty-one thousand, four hundred nine".