2354441021 has 2 divisors, whose sum is σ = 2354441022. Its totient is φ = 2354441020.

The previous prime is 2354441003. The next prime is 2354441039. The reversal of 2354441021 is 1201444532.

It is a balanced prime because it is at equal distance from previous prime (2354441003) and next prime (2354441039).

It can be written as a sum of positive squares in only one way, i.e., 1184116921 + 1170324100 = 34411^2 + 34210^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354441021 - 2¹⁴ = 2354424637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2354441071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177220510 + 1177220511.

It is an arithmetic number, because the mean of its divisors is an integer number (1177220511).

Almost surely, 2^2354441021 is an apocalyptic number.

It is an amenable number.

2354441021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354441021 is an equidigital number, since it uses as much as digits as its factorization.

2354441021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2354441021 is about 48522.5825879044. The cubic root of 2354441021 is about 1330.3398647151.

Adding to 2354441021 its reverse (1201444532), we get a palindrome (3555885553).

The spelling of 2354441021 in words is "two billion, three hundred fifty-four million, four hundred forty-one thousand, twenty-one".