19614323441663 has 16 divisors (see below), whose sum is σ = 20677048459200. Its totient is φ = 18577478250240.

The previous prime is 19614323441627. The next prime is 19614323441677. The reversal of 19614323441663 is 36614432341691.

It is a cyclic number.

It is not a de Polignac number, because 19614323441663 - 2⁸ = 19614323441407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19614323401663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7950683 + ... + 10121363.

It is an arithmetic number, because the mean of its divisors is an integer number (1292315528700).

Almost surely, 2^{19614323441663} is an apocalyptic number.

19614323441663 is a deficient number, since it is larger than the sum of its proper divisors (1062725017537).

19614323441663 is a wasteful number, since it uses less digits than its factorization.

19614323441663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176642.

The product of its digits is 6718464, while the sum is 53.

The spelling of 19614323441663 in words is "nineteen trillion, six hundred fourteen billion, three hundred twenty-three million, four hundred forty-one thousand, six hundred sixty-three".