6412123491 has 8 divisors (see below), whose sum is σ = 8587837440. Its totient is φ = 4255579272.

The previous prime is 6412123351. The next prime is 6412123499. The reversal of 6412123491 is 1943212146.

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

It is not a de Polignac number, because 6412123491 - 2¹⁰ = 6412122467 is a prime.

It is a super-2 number, since 2×6412123491² = 82230655327668054162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6412123499) 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 7 ways as a sum of consecutive naturals, for example, 4791651 + ... + 4792988.

It is an arithmetic number, because the mean of its divisors is an integer number (1073479680).

Almost surely, 2^6412123491 is an apocalyptic number.

6412123491 is a deficient number, since it is larger than the sum of its proper divisors (2175713949).

6412123491 is a wasteful number, since it uses less digits than its factorization.

6412123491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584865.

The product of its digits is 10368, while the sum is 33.

The square root of 6412123491 is about 80075.7359691436. The cubic root of 6412123491 is about 1857.8071327305.

The spelling of 6412123491 in words is "six billion, four hundred twelve million, one hundred twenty-three thousand, four hundred ninety-one".