3305011421 has 4 divisors (see below), whose sum is σ = 3394336092. Its totient is φ = 3215686752.

The previous prime is 3305011363. The next prime is 3305011441. The reversal of 3305011421 is 1241105033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1241105033 = 7 ⋅177300719.

It can be written as a sum of positive squares in 2 ways, for example, as 1998984100 + 1306027321 = 44710^2 + 36139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3305011421 - 2⁶ = 3305011357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3305011393 and 3305011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3305011441) 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, 44662280 + ... + 44662353.

It is an arithmetic number, because the mean of its divisors is an integer number (848584023).

Almost surely, 2^3305011421 is an apocalyptic number.

It is an amenable number.

3305011421 is a deficient number, since it is larger than the sum of its proper divisors (89324671).

3305011421 is an equidigital number, since it uses as much as digits as its factorization.

3305011421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89324670.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3305011421 is about 57489.2287389560. The cubic root of 3305011421 is about 1489.5588113166.

Adding to 3305011421 its reverse (1241105033), we get a palindrome (4546116454).

The spelling of 3305011421 in words is "three billion, three hundred five million, eleven thousand, four hundred twenty-one".