2102440447 has 2 divisors, whose sum is σ = 2102440448. Its totient is φ = 2102440446.

The previous prime is 2102440441. The next prime is 2102440453. The reversal of 2102440447 is 7440442012.

It is a balanced prime because it is at equal distance from previous prime (2102440441) and next prime (2102440453).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102440447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102440441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051220223 + 1051220224.

It is an arithmetic number, because the mean of its divisors is an integer number (1051220224).

Almost surely, 2^2102440447 is an apocalyptic number.

2102440447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102440447 is an equidigital number, since it uses as much as digits as its factorization.

2102440447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 2102440447 is about 45852.3766777688. The cubic root of 2102440447 is about 1281.0750341544.

Adding to 2102440447 its reverse (7440442012), we get a palindrome (9542882459).

The spelling of 2102440447 in words is "two billion, one hundred two million, four hundred forty thousand, four hundred forty-seven".