5438438642835 has 24 divisors (see below), whose sum is σ = 10283593071024. Its totient is φ = 2636818735680.

The previous prime is 5438438642831. The next prime is 5438438642849. The reversal of 5438438642835 is 5382468348345.

5438438642835 is a `hidden beast` number, since 5 + 438 + 4 + 3 + 86 + 42 + 83 + 5 = 666.

It is not a de Polignac number, because 5438438642835 - 2² = 5438438642831 is a prime.

It is a super-2 number, since 2×5438438642835² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5438438642831) 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 23 ways as a sum of consecutive naturals, for example, 5493371872 + ... + 5493372861.

It is an arithmetic number, because the mean of its divisors is an integer number (428483044626).

Almost surely, 2^{5438438642835} is an apocalyptic number.

5438438642835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5438438642835 is a deficient number, since it is larger than the sum of its proper divisors (4845154428189).

5438438642835 is a wasteful number, since it uses less digits than its factorization.

5438438642835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986744755 (or 10986744752 counting only the distinct ones).

The product of its digits is 265420800, while the sum is 63.

The spelling of 5438438642835 in words is "five trillion, four hundred thirty-eight billion, four hundred thirty-eight million, six hundred forty-two thousand, eight hundred thirty-five".