2345269443221 has 4 divisors (see below), whose sum is σ = 2345500082700. Its totient is φ = 2345038803744.

The previous prime is 2345269443197. The next prime is 2345269443227. The reversal of 2345269443221 is 1223449625432.

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 1019918208100 + 1325351235121 = 1009910^2 + 1151239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345269443221 is a prime.

It is a super-2 number, since 2×2345269443221² (a number of 26 digits) 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 (2345269443227) 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, 115304486 + ... + 115324823.

It is an arithmetic number, because the mean of its divisors is an integer number (586375020675).

Almost surely, 2^{2345269443221} is an apocalyptic number.

It is an amenable number.

2345269443221 is a deficient number, since it is larger than the sum of its proper divisors (230639479).

2345269443221 is a wasteful number, since it uses less digits than its factorization.

2345269443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230639478.

The product of its digits is 2488320, while the sum is 47.

The spelling of 2345269443221 in words is "two trillion, three hundred forty-five billion, two hundred sixty-nine million, four hundred forty-three thousand, two hundred twenty-one".