8412613549 has 4 divisors (see below), whose sum is σ = 8414998236. Its totient is φ = 8410228864.

The previous prime is 8412613543. The next prime is 8412613553. The reversal of 8412613549 is 9453162148.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6297533449 + 2115080100 = 79357^2 + 45990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8412613549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8412613543) 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, 1187044 + ... + 1194109.

It is an arithmetic number, because the mean of its divisors is an integer number (2103749559).

Almost surely, 2^8412613549 is an apocalyptic number.

It is an amenable number.

8412613549 is a deficient number, since it is larger than the sum of its proper divisors (2384687).

8412613549 is a wasteful number, since it uses less digits than its factorization.

8412613549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384686.

The product of its digits is 207360, while the sum is 43.

The square root of 8412613549 is about 91720.3006373180. The cubic root of 8412613549 is about 2033.8096940680.

The spelling of 8412613549 in words is "eight billion, four hundred twelve million, six hundred thirteen thousand, five hundred forty-nine".