849733369 has 2 divisors, whose sum is σ = 849733370. Its totient is φ = 849733368.

The previous prime is 849733303. The next prime is 849733373. The reversal of 849733369 is 963337948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841696144 + 8037225 = 29012^2 + 2835^2 .

It is a cyclic number.

It is not a de Polignac number, because 849733369 - 2¹⁵ = 849700601 is a prime.

It is a super-2 number, since 2×849733369² = 1444093596784180322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (849736369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424866684 + 424866685.

It is an arithmetic number, because the mean of its divisors is an integer number (424866685).

Almost surely, 2^849733369 is an apocalyptic number.

It is an amenable number.

849733369 is a deficient number, since it is larger than the sum of its proper divisors (1).

849733369 is an equidigital number, since it uses as much as digits as its factorization.

849733369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The square root of 849733369 is about 29150.1864316508. The cubic root of 849733369 is about 947.1691793463.

The spelling of 849733369 in words is "eight hundred forty-nine million, seven hundred thirty-three thousand, three hundred sixty-nine".