6491126419 has 8 divisors (see below), whose sum is σ = 6510909888. Its totient is φ = 6471373800.

The previous prime is 6491126393. The next prime is 6491126423. The reversal of 6491126419 is 9146211946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6491126419 - 2⁵ = 6491126387 is a prime.

It is a super-2 number, since 2×6491126419² = 84269444374879527122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6491126459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454944 + ... + 468994.

It is an arithmetic number, because the mean of its divisors is an integer number (813863736).

Almost surely, 2^6491126419 is an apocalyptic number.

6491126419 is a deficient number, since it is larger than the sum of its proper divisors (19783469).

6491126419 is a wasteful number, since it uses less digits than its factorization.

6491126419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15425.

The product of its digits is 93312, while the sum is 43.

The square root of 6491126419 is about 80567.5270751188. The cubic root of 6491126419 is about 1865.4059419138.

The spelling of 6491126419 in words is "six billion, four hundred ninety-one million, one hundred twenty-six thousand, four hundred nineteen".