3954794447 has 2 divisors, whose sum is σ = 3954794448. Its totient is φ = 3954794446.

The previous prime is 3954794401. The next prime is 3954794449. The reversal of 3954794447 is 7444974593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3954794447 - 2¹⁸ = 3954532303 is a prime.

Together with 3954794449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3954794392 and 3954794401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3954794449) 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, 1977397223 + 1977397224.

It is an arithmetic number, because the mean of its divisors is an integer number (1977397224).

Almost surely, 2^3954794447 is an apocalyptic number.

3954794447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954794447 is an equidigital number, since it uses as much as digits as its factorization.

3954794447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 56.

The square root of 3954794447 is about 62887.1564550346. The cubic root of 3954794447 is about 1581.3984370290.

The spelling of 3954794447 in words is "three billion, nine hundred fifty-four million, seven hundred ninety-four thousand, four hundred forty-seven".