10343860821 has 48 divisors (see below), whose sum is σ = 17252352000. Its totient is φ = 5849825184.

The previous prime is 10343860811. The next prime is 10343860831. The reversal of 10343860821 is 12806834301.

10343860821 is a `hidden beast` number, since 1 + 0 + 3 + 43 + 8 + 608 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (10343860811) and next prime (10343860831).

It is not a de Polignac number, because 10343860821 - 2⁵ = 10343860789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10343860801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3831130 + ... + 3833828.

It is an arithmetic number, because the mean of its divisors is an integer number (359424000).

Almost surely, 2^10343860821 is an apocalyptic number.

It is an amenable number.

10343860821 is a deficient number, since it is larger than the sum of its proper divisors (6908491179).

10343860821 is a wasteful number, since it uses less digits than its factorization.

10343860821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 3315 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 10343860821 in words is "ten billion, three hundred forty-three million, eight hundred sixty thousand, eight hundred twenty-one".