4213944047 has 2 divisors, whose sum is σ = 4213944048. Its totient is φ = 4213944046.

The previous prime is 4213943999. The next prime is 4213944067. The reversal of 4213944047 is 7404493124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4213944047 - 2¹⁶ = 4213878511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4213944047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4213944067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106972023 + 2106972024.

It is an arithmetic number, because the mean of its divisors is an integer number (2106972024).

Almost surely, 2^4213944047 is an apocalyptic number.

4213944047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4213944047 is an equidigital number, since it uses as much as digits as its factorization.

4213944047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 4213944047 is about 64914.8984979565. The cubic root of 4213944047 is about 1615.2122073838.

The spelling of 4213944047 in words is "four billion, two hundred thirteen million, nine hundred forty-four thousand, forty-seven".