2047517249 has 2 divisors, whose sum is σ = 2047517250. Its totient is φ = 2047517248.

The previous prime is 2047517237. The next prime is 2047517279. The reversal of 2047517249 is 9427157402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597441024 + 450076225 = 39968^2 + 21215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047517249 - 2⁸ = 2047516993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2047517279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023758624 + 1023758625.

It is an arithmetic number, because the mean of its divisors is an integer number (1023758625).

Almost surely, 2^2047517249 is an apocalyptic number.

It is an amenable number.

2047517249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047517249 is an equidigital number, since it uses as much as digits as its factorization.

2047517249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2047517249 is about 45249.4999861877. The cubic root of 2047517249 is about 1269.8210525557.

The spelling of 2047517249 in words is "two billion, forty-seven million, five hundred seventeen thousand, two hundred forty-nine".