1704981249 has 6 divisors (see below), whose sum is σ = 2462750706. Its totient is φ = 1136654160.

The previous prime is 1704981247. The next prime is 1704981281. The reversal of 1704981249 is 9421894071.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1557723024 + 147258225 = 39468^2 + 12135^2 .

It is not a de Polignac number, because 1704981249 - 2¹ = 1704981247 is a prime.

It is a super-2 number, since 2×1704981249² = 5813922118883200002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1704981241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94721172 + ... + 94721189.

It is an arithmetic number, because the mean of its divisors is an integer number (410458451).

Almost surely, 2^1704981249 is an apocalyptic number.

It is an amenable number.

1704981249 is a deficient number, since it is larger than the sum of its proper divisors (757769457).

1704981249 is a wasteful number, since it uses less digits than its factorization.

1704981249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189442367 (or 189442364 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1704981249 is about 41291.4185878858. The cubic root of 1704981249 is about 1194.6477487471.

The spelling of 1704981249 in words is "one billion, seven hundred four million, nine hundred eighty-one thousand, two hundred forty-nine".