6430126768823 has 4 divisors (see below), whose sum is σ = 6535538683128. Its totient is φ = 6324714854520.

The previous prime is 6430126768699. The next prime is 6430126768837. The reversal of 6430126768823 is 3288676210346.

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

It is a cyclic number.

It is not a de Polignac number, because 6430126768823 - 2⁸ = 6430126768567 is a prime.

It is a super-2 number, since 2×6430126768823² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430126768873) 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, 52705957061 + ... + 52705957182.

It is an arithmetic number, because the mean of its divisors is an integer number (1633884670782).

Almost surely, 2^{6430126768823} is an apocalyptic number.

6430126768823 is a deficient number, since it is larger than the sum of its proper divisors (105411914305).

6430126768823 is a wasteful number, since it uses less digits than its factorization.

6430126768823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105411914304.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 6430126768823 in words is "six trillion, four hundred thirty billion, one hundred twenty-six million, seven hundred sixty-eight thousand, eight hundred twenty-three".