2335998421 has 4 divisors (see below), whose sum is σ = 2344682700. Its totient is φ = 2327314144.

The previous prime is 2335998409. The next prime is 2335998443. The reversal of 2335998421 is 1248995332.

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 1155320100 + 1180678321 = 33990^2 + 34361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2335998421 - 2⁵ = 2335998389 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 (2335998451) 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, 4341736 + ... + 4342273.

It is an arithmetic number, because the mean of its divisors is an integer number (586170675).

Almost surely, 2^2335998421 is an apocalyptic number.

It is an amenable number.

2335998421 is a deficient number, since it is larger than the sum of its proper divisors (8684279).

2335998421 is an equidigital number, since it uses as much as digits as its factorization.

2335998421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684278.

The product of its digits is 466560, while the sum is 46.

The square root of 2335998421 is about 48332.1675595043. The cubic root of 2335998421 is about 1326.8571884140.

The spelling of 2335998421 in words is "two billion, three hundred thirty-five million, nine hundred ninety-eight thousand, four hundred twenty-one".