10821536796438 has 24 divisors (see below), whose sum is σ = 23945528232288. Its totient is φ = 3530430443952.

The previous prime is 10821536796437. The next prime is 10821536796439. The reversal of 10821536796438 is 83469763512801.

10821536796438 is a `hidden beast` number, since 1 + 0 + 8 + 2 + 1 + 53 + 67 + 96 + 438 = 666.

It is an interprime number because it is at equal distance from previous prime (10821536796437) and next prime (10821536796439).

It is a super-2 number, since 2×10821536796438² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821536796437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6395706481 + ... + 6395708172.

It is an arithmetic number, because the mean of its divisors is an integer number (997730343012).

It is a 2-persistent number, because it is pandigital, and so is 2⋅10821536796438 = 21643073592876, but 3⋅10821536796438 = 32464610389314 is not.

Almost surely, 2^{10821536796438} is an apocalyptic number.

10821536796438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10821536796438 is an abundant number, since it is smaller than the sum of its proper divisors (13123991435850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10821536796438 is a wasteful number, since it uses less digits than its factorization.

10821536796438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791414708 (or 12791414705 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 10821536796438 in words is "ten trillion, eight hundred twenty-one billion, five hundred thirty-six million, seven hundred ninety-six thousand, four hundred thirty-eight".