4673781391 has 2 divisors, whose sum is σ = 4673781392. Its totient is φ = 4673781390.

The previous prime is 4673781337. The next prime is 4673781407. The reversal of 4673781391 is 1931873764.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4673781391 - 2¹³ = 4673773199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4673781691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336890695 + 2336890696.

It is an arithmetic number, because the mean of its divisors is an integer number (2336890696).

Almost surely, 2^4673781391 is an apocalyptic number.

4673781391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4673781391 is an equidigital number, since it uses as much as digits as its factorization.

4673781391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 4673781391 is about 68365.0597235167. The cubic root of 4673781391 is about 1671.9481240773.

The spelling of 4673781391 in words is "four billion, six hundred seventy-three million, seven hundred eighty-one thousand, three hundred ninety-one".