2847621149 has 2 divisors, whose sum is σ = 2847621150. Its totient is φ = 2847621148.

The previous prime is 2847621107. The next prime is 2847621167. The reversal of 2847621149 is 9411267482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2813772025 + 33849124 = 53045^2 + 5818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2847621149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2847621199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423810574 + 1423810575.

It is an arithmetic number, because the mean of its divisors is an integer number (1423810575).

Almost surely, 2^2847621149 is an apocalyptic number.

It is an amenable number.

2847621149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847621149 is an equidigital number, since it uses as much as digits as its factorization.

2847621149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 2847621149 is about 53363.1066280815. The cubic root of 2847621149 is about 1417.4053573068.

The spelling of 2847621149 in words is "two billion, eight hundred forty-seven million, six hundred twenty-one thousand, one hundred forty-nine".