19414558797 has 16 divisors (see below), whose sum is σ = 26025811968. Its totient is φ = 12873253680.

The previous prime is 19414558783. The next prime is 19414558799. The reversal of 19414558797 is 79785541491.

It is not a de Polignac number, because 19414558797 - 2³⁰ = 18340816973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19414558797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19414558799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043458 + ... + 1061900.

It is an arithmetic number, because the mean of its divisors is an integer number (1626613248).

Almost surely, 2^19414558797 is an apocalyptic number.

It is an amenable number.

19414558797 is a deficient number, since it is larger than the sum of its proper divisors (6611253171).

19414558797 is a wasteful number, since it uses less digits than its factorization.

19414558797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20320.

The product of its digits is 12700800, while the sum is 60.

The spelling of 19414558797 in words is "nineteen billion, four hundred fourteen million, five hundred fifty-eight thousand, seven hundred ninety-seven".