2102162443 has 2 divisors, whose sum is σ = 2102162444. Its totient is φ = 2102162442.

The previous prime is 2102162407. The next prime is 2102162471. The reversal of 2102162443 is 3442612012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102162443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102162473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051081221 + 1051081222.

It is an arithmetic number, because the mean of its divisors is an integer number (1051081222).

Almost surely, 2^2102162443 is an apocalyptic number.

2102162443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102162443 is an equidigital number, since it uses as much as digits as its factorization.

2102162443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2102162443 is about 45849.3450662057. The cubic root of 2102162443 is about 1281.0185664935.

Adding to 2102162443 its reverse (3442612012), we get a palindrome (5544774455).

The spelling of 2102162443 in words is "two billion, one hundred two million, one hundred sixty-two thousand, four hundred forty-three".