4268638199853 has 36 divisors (see below), whose sum is σ = 6509363068572. Its totient is φ = 2695079059200.

The previous prime is 4268638199753. The next prime is 4268638199867. The reversal of 4268638199853 is 3589918368624.

It is a happy number.

4268638199853 is a `hidden beast` number, since 4 + 2 + 6 + 86 + 381 + 99 + 85 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4114658085444 + 153980114409 = 2028462^2 + 392403^2 .

It is not a de Polignac number, because 4268638199853 - 2⁸ = 4268638199597 is a prime.

It is a super-3 number, since 3×4268638199853³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4268638199153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3957676 + ... + 4919397.

Almost surely, 2^{4268638199853} is an apocalyptic number.

It is an amenable number.

4268638199853 is a deficient number, since it is larger than the sum of its proper divisors (2240724868719).

4268638199853 is a wasteful number, since it uses less digits than its factorization.

4268638199853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877226 (or 8877200 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 4268638199853 in words is "four trillion, two hundred sixty-eight billion, six hundred thirty-eight million, one hundred ninety-nine thousand, eight hundred fifty-three".