10440909197 has 4 divisors (see below), whose sum is σ = 10441140960. Its totient is φ = 10440677436.

The previous prime is 10440909191. The next prime is 10440909209. The reversal of 10440909197 is 79190904401.

It is a happy number.

10440909197 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, and also an emirpimes, since its reverse is a distinct semiprime: 79190904401 = 7 ⋅11312986343.

It is a cyclic number.

It is not a de Polignac number, because 10440909197 - 2⁸ = 10440908941 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 (10440909191) 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, 24047 + ... + 146492.

It is an arithmetic number, because the mean of its divisors is an integer number (2610285240).

Almost surely, 2^10440909197 is an apocalyptic number.

It is an amenable number.

10440909197 is a deficient number, since it is larger than the sum of its proper divisors (231763).

10440909197 is an equidigital number, since it uses as much as digits as its factorization.

10440909197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231762.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 10440909197 in words is "ten billion, four hundred forty million, nine hundred nine thousand, one hundred ninety-seven".