2344900021 has 4 divisors (see below), whose sum is σ = 2345023872. Its totient is φ = 2344776172.

The previous prime is 2344900007. The next prime is 2344900043. The reversal of 2344900021 is 1200094432.

2344900021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 2344900021 - 2¹⁷ = 2344768949 is a prime.

It is a super-2 number, since 2×2344900021² = 10997112216971600882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2344900001) 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, 26935 + ... + 73588.

It is an arithmetic number, because the mean of its divisors is an integer number (586255968).

Almost surely, 2^2344900021 is an apocalyptic number.

It is an amenable number.

2344900021 is a deficient number, since it is larger than the sum of its proper divisors (123851).

2344900021 is a wasteful number, since it uses less digits than its factorization.

2344900021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123850.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2344900021 is about 48424.1677367820. The cubic root of 2344900021 is about 1328.5404345615.

Adding to 2344900021 its reverse (1200094432), we get a palindrome (3544994453).

The spelling of 2344900021 in words is "two billion, three hundred forty-four million, nine hundred thousand, twenty-one".