10355638891 has 8 divisors (see below), whose sum is σ = 11304997760. Its totient is φ = 9428104512.

The previous prime is 10355638871. The next prime is 10355638897. The reversal of 10355638891 is 19883655301.

10355638891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10355638891 - 2⁷ = 10355638763 is a prime.

It is a super-3 number, since 3×10355638891³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10355638897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455131 + ... + 5457028.

It is an arithmetic number, because the mean of its divisors is an integer number (1413124720).

Almost surely, 2^10355638891 is an apocalyptic number.

10355638891 is a deficient number, since it is larger than the sum of its proper divisors (949358869).

10355638891 is a wasteful number, since it uses less digits than its factorization.

10355638891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912245.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 10355638891 in words is "ten billion, three hundred fifty-five million, six hundred thirty-eight thousand, eight hundred ninety-one".