2141387447 has 2 divisors, whose sum is σ = 2141387448. Its totient is φ = 2141387446.

The previous prime is 2141387411. The next prime is 2141387449. The reversal of 2141387447 is 7447831412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2141387447 - 2¹⁶ = 2141321911 is a prime.

Together with 2141387449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141387449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070693723 + 1070693724.

It is an arithmetic number, because the mean of its divisors is an integer number (1070693724).

Almost surely, 2^2141387447 is an apocalyptic number.

2141387447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141387447 is an equidigital number, since it uses as much as digits as its factorization.

2141387447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 2141387447 is about 46275.1277361824. The cubic root of 2141387447 is about 1288.9371785930.

The spelling of 2141387447 in words is "two billion, one hundred forty-one million, three hundred eighty-seven thousand, four hundred forty-seven".