2473847685409 has 27 divisors (see below), whose sum is σ = 2584801871769. Its totient is φ = 2367575132160.

The previous prime is 2473847685389. The next prime is 2473847685451. The reversal of 2473847685409 is 9045867483742.

The square root of 2473847685409 is 1572847.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 654392013025 + 1819455672384 = 808945^2 + 1348872^2 .

It is not a de Polignac number, because 2473847685409 - 2²³ = 2473839296801 is a prime.

It is a super-2 number, since 2×2473847685409² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2473847685499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5509682817 + ... + 5509683265.

Almost surely, 2^{2473847685409} is an apocalyptic number.

2473847685409 is the 1572847-th square number.

2473847685409 is the 786424-th centered octagonal number.

It is an amenable number.

2473847685409 is a deficient number, since it is larger than the sum of its proper divisors (110954186360).

2473847685409 is an frugal number, since it uses more digits than its factorization.

2473847685409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 2473847685409 in words is "two trillion, four hundred seventy-three billion, eight hundred forty-seven million, six hundred eighty-five thousand, four hundred nine".