6151984849 has 4 divisors (see below), whose sum is σ = 6157321636. Its totient is φ = 6146648064.

The previous prime is 6151984847. The next prime is 6151984859. The reversal of 6151984849 is 9484891516.

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 5378755600 + 773229249 = 73340^2 + 27807^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151984849 - 2¹ = 6151984847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6151984849.

It is not an unprimeable number, because it can be changed into a prime (6151984843) 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, 2666664 + ... + 2668969.

It is an arithmetic number, because the mean of its divisors is an integer number (1539330409).

Almost surely, 2^6151984849 is an apocalyptic number.

It is an amenable number.

6151984849 is a deficient number, since it is larger than the sum of its proper divisors (5336787).

6151984849 is a wasteful number, since it uses less digits than its factorization.

6151984849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336786.

The product of its digits is 2488320, while the sum is 55.

The square root of 6151984849 is about 78434.5896209064. The cubic root of 6151984849 is about 1832.3358795411.

The spelling of 6151984849 in words is "six billion, one hundred fifty-one million, nine hundred eighty-four thousand, eight hundred forty-nine".