10671346921 has 4 divisors (see below), whose sum is σ = 10673817472. Its totient is φ = 10668876372.

The previous prime is 10671346883. The next prime is 10671346963. The reversal of 10671346921 is 12964317601.

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 a cyclic number.

It is not a de Polignac number, because 10671346921 - 2⁷ = 10671346793 is a prime.

It is a super-2 number, since 2×10671346921² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10671346121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228785 + ... + 1237438.

It is an arithmetic number, because the mean of its divisors is an integer number (2668454368).

Almost surely, 2^10671346921 is an apocalyptic number.

It is an amenable number.

10671346921 is a deficient number, since it is larger than the sum of its proper divisors (2470551).

10671346921 is an equidigital number, since it uses as much as digits as its factorization.

10671346921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470550.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 10671346921 in words is "ten billion, six hundred seventy-one million, three hundred forty-six thousand, nine hundred twenty-one".