1406323644513 has 16 divisors (see below), whose sum is σ = 1928596211136. Its totient is φ = 910874289600.

The previous prime is 1406323644487. The next prime is 1406323644571. The reversal of 1406323644513 is 3154463236041.

It is not a de Polignac number, because 1406323644513 - 2²¹ = 1406321547361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406323644113) 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 15 ways as a sum of consecutive naturals, for example, 9199138 + ... + 9350763.

It is an arithmetic number, because the mean of its divisors is an integer number (120537263196).

Almost surely, 2^{1406323644513} is an apocalyptic number.

It is an amenable number.

1406323644513 is a deficient number, since it is larger than the sum of its proper divisors (522272566623).

1406323644513 is a wasteful number, since it uses less digits than its factorization.

1406323644513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550624.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 1406323644513 in words is "one trillion, four hundred six billion, three hundred twenty-three million, six hundred forty-four thousand, five hundred thirteen".