10671448409 has 4 divisors (see below), whose sum is σ = 10673291904. Its totient is φ = 10669604916.

The previous prime is 10671448393. The next prime is 10671448423. The reversal of 10671448409 is 90484417601.

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 a cyclic number.

It is not a de Polignac number, because 10671448409 - 2⁴ = 10671448393 is a prime.

It is a super-2 number, since 2×10671448409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10671448409.

It is not an unprimeable number, because it can be changed into a prime (10671448609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913037 + ... + 924650.

It is an arithmetic number, because the mean of its divisors is an integer number (2668322976).

Almost surely, 2^10671448409 is an apocalyptic number.

It is an amenable number.

10671448409 is a deficient number, since it is larger than the sum of its proper divisors (1843495).

10671448409 is an equidigital number, since it uses as much as digits as its factorization.

10671448409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843494.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 10671448409 in words is "ten billion, six hundred seventy-one million, four hundred forty-eight thousand, four hundred nine".