10404343861 has 4 divisors (see below), whose sum is σ = 10415544300. Its totient is φ = 10393143424.

The previous prime is 10404343843. The next prime is 10404343867. The reversal of 10404343861 is 16834340401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16834340401 = 37 ⋅454982173.

It can be written as a sum of positive squares in 2 ways, for example, as 5061611025 + 5342732836 = 71145^2 + 73094^2 .

It is a cyclic number.

It is not a de Polignac number, because 10404343861 - 2²³ = 10395955253 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 (10404343867) 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, 5598826 + ... + 5600683.

It is an arithmetic number, because the mean of its divisors is an integer number (2603886075).

Almost surely, 2^10404343861 is an apocalyptic number.

It is an amenable number.

10404343861 is a deficient number, since it is larger than the sum of its proper divisors (11200439).

10404343861 is an equidigital number, since it uses as much as digits as its factorization.

10404343861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200438.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 10404343861 in words is "ten billion, four hundred four million, three hundred forty-three thousand, eight hundred sixty-one".