10440291361369 has 4 divisors (see below), whose sum is σ = 10443807797940. Its totient is φ = 10436774924800.

The previous prime is 10440291361307. The next prime is 10440291361429. The reversal of 10440291361369 is 96316319204401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1780143008400 + 8660148352969 = 1334220^2 + 2942813^2 .

It is a cyclic number.

It is not a de Polignac number, because 10440291361369 - 2¹⁷ = 10440291230297 is a prime.

It is a super-2 number, since 2×10440291361369² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440291361469) 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, 1758213832 + ... + 1758219769.

It is an arithmetic number, because the mean of its divisors is an integer number (2610951949485).

Almost surely, 2^{10440291361369} is an apocalyptic number.

It is an amenable number.

10440291361369 is a deficient number, since it is larger than the sum of its proper divisors (3516436571).

10440291361369 is an equidigital number, since it uses as much as digits as its factorization.

10440291361369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516436570.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 10440291361369 in words is "ten trillion, four hundred forty billion, two hundred ninety-one million, three hundred sixty-one thousand, three hundred sixty-nine".