2819492849 has 2 divisors, whose sum is σ = 2819492850. Its totient is φ = 2819492848.

The previous prime is 2819492827. The next prime is 2819492869. The reversal of 2819492849 is 9482949182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788579249 + 30913600 = 52807^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2819492849 - 2²⁰ = 2818444273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2819492794 and 2819492803.

It is not a weakly prime, because it can be changed into another prime (2819492869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409746424 + 1409746425.

It is an arithmetic number, because the mean of its divisors is an integer number (1409746425).

Almost surely, 2^2819492849 is an apocalyptic number.

It is an amenable number.

2819492849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2819492849 is an equidigital number, since it uses as much as digits as its factorization.

2819492849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 56.

The square root of 2819492849 is about 53098.8968717807. The cubic root of 2819492849 is about 1412.7229458202.

The spelling of 2819492849 in words is "two billion, eight hundred nineteen million, four hundred ninety-two thousand, eight hundred forty-nine".