19425213863 has 16 divisors (see below), whose sum is σ = 23618615040. Its totient is φ = 15745737600.

The previous prime is 19425213793. The next prime is 19425213911. The reversal of 19425213863 is 36831252491.

It is a cyclic number.

It is not a de Polignac number, because 19425213863 - 2⁸ = 19425213607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19425263863) 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 15 ways as a sum of consecutive naturals, for example, 2730083 + ... + 2737188.

It is an arithmetic number, because the mean of its divisors is an integer number (1476163440).

Almost surely, 2^19425213863 is an apocalyptic number.

19425213863 is a deficient number, since it is larger than the sum of its proper divisors (4193401177).

19425213863 is a wasteful number, since it uses less digits than its factorization.

19425213863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467318.

The product of its digits is 311040, while the sum is 44.

The spelling of 19425213863 in words is "nineteen billion, four hundred twenty-five million, two hundred thirteen thousand, eight hundred sixty-three".