21058403433641 has 8 divisors (see below), whose sum is σ = 24066785332800. Its totient is φ = 18050031172368.

The previous prime is 21058403433611. The next prime is 21058403433671. The reversal of 21058403433641 is 14633430485012.

It is an interprime number because it is at equal distance from previous prime (21058403433611) and next prime (21058403433671).

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 21058403433641 - 2¹⁰ = 21058403432617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21058403433592 and 21058403433601.

It is not an unprimeable number, because it can be changed into a prime (21058403433601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117935 + ... + 7199883.

It is an arithmetic number, because the mean of its divisors is an integer number (3008348166600).

Almost surely, 2^{21058403433641} is an apocalyptic number.

It is an amenable number.

21058403433641 is a deficient number, since it is larger than the sum of its proper divisors (3008381899159).

21058403433641 is an equidigital number, since it uses as much as digits as its factorization.

21058403433641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818943.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 21058403433641 in words is "twenty-one trillion, fifty-eight billion, four hundred three million, four hundred thirty-three thousand, six hundred forty-one".