6151131049 has 4 divisors (see below), whose sum is σ = 7029864064. Its totient is φ = 5272398036.

The previous prime is 6151131023. The next prime is 6151131059. The reversal of 6151131049 is 9401311516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6151131049 - 2⁹ = 6151130537 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 6151131049.

It is not an unprimeable number, because it can be changed into a prime (6151131059) 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 3 ways as a sum of consecutive naturals, for example, 439366497 + ... + 439366510.

It is an arithmetic number, because the mean of its divisors is an integer number (1757466016).

Almost surely, 2^6151131049 is an apocalyptic number.

It is an amenable number.

6151131049 is a deficient number, since it is larger than the sum of its proper divisors (878733015).

6151131049 is an equidigital number, since it uses as much as digits as its factorization.

6151131049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878733014.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 6151131049 is about 78429.1466802999. The cubic root of 6151131049 is about 1832.2511090271.

The spelling of 6151131049 in words is "six billion, one hundred fifty-one million, one hundred thirty-one thousand, forty-nine".