2134021447 has 2 divisors, whose sum is σ = 2134021448. Its totient is φ = 2134021446.

The previous prime is 2134021429. The next prime is 2134021457. The reversal of 2134021447 is 7441204312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2134021447 - 2⁷ = 2134021319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134021457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067010723 + 1067010724.

It is an arithmetic number, because the mean of its divisors is an integer number (1067010724).

Almost surely, 2^2134021447 is an apocalyptic number.

2134021447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134021447 is an equidigital number, since it uses as much as digits as its factorization.

2134021447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2134021447 is about 46195.4699835384. The cubic root of 2134021447 is about 1287.4575742705.

Adding to 2134021447 its reverse (7441204312), we get a palindrome (9575225759).

The spelling of 2134021447 in words is "two billion, one hundred thirty-four million, twenty-one thousand, four hundred forty-seven".