5661483869 has 4 divisors (see below), whose sum is σ = 5662476444. Its totient is φ = 5660491296.

The previous prime is 5661483857. The next prime is 5661483881. The reversal of 5661483869 is 9683841665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5661483857) and next prime (5661483881).

It can be written as a sum of positive squares in 2 ways, for example, as 2405412025 + 3256071844 = 49045^2 + 57062^2 .

It is a cyclic number.

It is not a de Polignac number, because 5661483869 - 2¹⁶ = 5661418333 is a prime.

It is a super-2 number, since 2×5661483869² = 64104799197894418322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661453869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487682 + ... + 499155.

It is an arithmetic number, because the mean of its divisors is an integer number (1415619111).

Almost surely, 2^5661483869 is an apocalyptic number.

It is an amenable number.

5661483869 is a deficient number, since it is larger than the sum of its proper divisors (992575).

5661483869 is an equidigital number, since it uses as much as digits as its factorization.

5661483869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992574.

The product of its digits is 7464960, while the sum is 56.

The square root of 5661483869 is about 75242.8326752788. The cubic root of 5661483869 is about 1782.2833833262.

The spelling of 5661483869 in words is "five billion, six hundred sixty-one million, four hundred eighty-three thousand, eight hundred sixty-nine".