10821351941 has 4 divisors (see below), whose sum is σ = 11390896800. Its totient is φ = 10251807084.

The previous prime is 10821351929. The next prime is 10821351953. The reversal of 10821351941 is 14915312801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10821351929) and next prime (10821351953).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10821351941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821351901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284772401 + ... + 284772438.

It is an arithmetic number, because the mean of its divisors is an integer number (2847724200).

Almost surely, 2^10821351941 is an apocalyptic number.

It is an amenable number.

10821351941 is a deficient number, since it is larger than the sum of its proper divisors (569544859).

10821351941 is an equidigital number, since it uses as much as digits as its factorization.

10821351941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569544858.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 10821351941 in words is "ten billion, eight hundred twenty-one million, three hundred fifty-one thousand, nine hundred forty-one".