10409953861 has 4 divisors (see below), whose sum is σ = 10417149472. Its totient is φ = 10402758252.

The previous prime is 10409953843. The next prime is 10409953877. The reversal of 10409953861 is 16835990401.

10409953861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-10409953861 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 (10409953831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3595635 + ... + 3598528.

It is an arithmetic number, because the mean of its divisors is an integer number (2604287368).

Almost surely, 2^10409953861 is an apocalyptic number.

It is an amenable number.

10409953861 is a deficient number, since it is larger than the sum of its proper divisors (7195611).

10409953861 is an equidigital number, since it uses as much as digits as its factorization.

10409953861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195610.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 10409953861 in words is "ten billion, four hundred nine million, nine hundred fifty-three thousand, eight hundred sixty-one".