4247426489823 has 18 divisors (see below), whose sum is σ = 6743618368032. Its totient is φ = 2574197871960.

The previous prime is 4247426489759. The next prime is 4247426489863. The reversal of 4247426489823 is 3289846247424.

It is a happy number.

4247426489823 is a `hidden beast` number, since 4 + 2 + 4 + 74 + 2 + 6 + 489 + 82 + 3 = 666.

It is not a de Polignac number, because 4247426489823 - 2⁶ = 4247426489759 is a prime.

It is a super-3 number, since 3×4247426489823³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247426489863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1950148815 + ... + 1950150992.

Almost surely, 2^{4247426489823} is an apocalyptic number.

4247426489823 is a deficient number, since it is larger than the sum of its proper divisors (2496191878209).

4247426489823 is a wasteful number, since it uses less digits than its factorization.

4247426489823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900299835 (or 3900299821 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 63.

The spelling of 4247426489823 in words is "four trillion, two hundred forty-seven billion, four hundred twenty-six million, four hundred eighty-nine thousand, eight hundred twenty-three".