2839720097 has 2 divisors, whose sum is σ = 2839720098. Its totient is φ = 2839720096.

The previous prime is 2839720033. The next prime is 2839720157. The reversal of 2839720097 is 7900279382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1691594641 + 1148125456 = 41129^2 + 33884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2839720097 - 2⁶ = 2839720033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2839720997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419860048 + 1419860049.

It is an arithmetic number, because the mean of its divisors is an integer number (1419860049).

Almost surely, 2^2839720097 is an apocalyptic number.

It is an amenable number.

2839720097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2839720097 is an equidigital number, since it uses as much as digits as its factorization.

2839720097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 2839720097 is about 53289.0241700859. The cubic root of 2839720097 is about 1416.0932250072.

The spelling of 2839720097 in words is "two billion, eight hundred thirty-nine million, seven hundred twenty thousand, ninety-seven".