4197831047 has 2 divisors, whose sum is σ = 4197831048. Its totient is φ = 4197831046.

The previous prime is 4197831031. The next prime is 4197831059. The reversal of 4197831047 is 7401387914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4197831047 - 2⁴ = 4197831031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4197830989 and 4197831007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4197831017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2098915523 + 2098915524.

It is an arithmetic number, because the mean of its divisors is an integer number (2098915524).

Almost surely, 2^4197831047 is an apocalyptic number.

4197831047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4197831047 is an equidigital number, since it uses as much as digits as its factorization.

4197831047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 4197831047 is about 64790.6709874192. The cubic root of 4197831047 is about 1613.1508640033.

The spelling of 4197831047 in words is "four billion, one hundred ninety-seven million, eight hundred thirty-one thousand, forty-seven".