10643306400013 has 4 divisors (see below), whose sum is σ = 12163778742880. Its totient is φ = 9122834057148.

The previous prime is 10643306399989. The next prime is 10643306400019. The reversal of 10643306400013 is 31000460334601.

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 not a de Polignac number, because 10643306400013 - 2⁵ = 10643306399981 is a prime.

It is a super-2 number, since 2×10643306400013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643306400019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760236171423 + ... + 760236171436.

It is an arithmetic number, because the mean of its divisors is an integer number (3040944685720).

Almost surely, 2^{10643306400013} is an apocalyptic number.

It is an amenable number.

10643306400013 is a deficient number, since it is larger than the sum of its proper divisors (1520472342867).

10643306400013 is an equidigital number, since it uses as much as digits as its factorization.

10643306400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520472342866.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 10643306400013 its reverse (31000460334601), we get a palindrome (41643766734614).

The spelling of 10643306400013 in words is "ten trillion, six hundred forty-three billion, three hundred six million, four hundred thousand, thirteen".