2847672491 has 2 divisors, whose sum is σ = 2847672492. Its totient is φ = 2847672490.

The previous prime is 2847672449. The next prime is 2847672511. The reversal of 2847672491 is 1942767482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2847672491 - 2¹⁸ = 2847410347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2847672691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423836245 + 1423836246.

It is an arithmetic number, because the mean of its divisors is an integer number (1423836246).

Almost surely, 2^2847672491 is an apocalyptic number.

2847672491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847672491 is an equidigital number, since it uses as much as digits as its factorization.

2847672491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 2847672491 is about 53363.5876886103. The cubic root of 2847672491 is about 1417.4138757607.

The spelling of 2847672491 in words is "two billion, eight hundred forty-seven million, six hundred seventy-two thousand, four hundred ninety-one".