4156847319847 has 2 divisors, whose sum is σ = 4156847319848. Its totient is φ = 4156847319846.

The previous prime is 4156847319799. The next prime is 4156847319851. The reversal of 4156847319847 is 7489137486514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4156847319847 - 2⁷ = 4156847319719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4156847319347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078423659923 + 2078423659924.

It is an arithmetic number, because the mean of its divisors is an integer number (2078423659924).

Almost surely, 2^{4156847319847} is an apocalyptic number.

4156847319847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156847319847 is an equidigital number, since it uses as much as digits as its factorization.

4156847319847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 67.

The spelling of 4156847319847 in words is "four trillion, one hundred fifty-six billion, eight hundred forty-seven million, three hundred nineteen thousand, eight hundred forty-seven".