19453920686299 has 12 divisors (see below), whose sum is σ = 21387469272120. Its totient is φ = 17681880524000.

The previous prime is 19453920686287. The next prime is 19453920686329. The reversal of 19453920686299 is 99268602935491.

It is a de Polignac number, because none of the positive numbers 2^k-19453920686299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19453920686209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15304114 + ... + 16526455.

It is an arithmetic number, because the mean of its divisors is an integer number (1782289106010).

Almost surely, 2^{19453920686299} is an apocalyptic number.

19453920686299 is a deficient number, since it is larger than the sum of its proper divisors (1933548585821).

19453920686299 is a wasteful number, since it uses less digits than its factorization.

19453920686299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31835642 (or 31835631 counting only the distinct ones).

The product of its (nonzero) digits is 453496320, while the sum is 73.

The spelling of 19453920686299 in words is "nineteen trillion, four hundred fifty-three billion, nine hundred twenty million, six hundred eighty-six thousand, two hundred ninety-nine".