19779014054 has 8 divisors (see below), whose sum is σ = 30074939400. Its totient is φ = 9754034256.

The previous prime is 19779014029. The next prime is 19779014069. The reversal of 19779014054 is 45041097791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67736204 + ... + 67736495.

It is an arithmetic number, because the mean of its divisors is an integer number (3759367425).

Almost surely, 2^19779014054 is an apocalyptic number.

19779014054 is a deficient number, since it is larger than the sum of its proper divisors (10295925346).

19779014054 is a wasteful number, since it uses less digits than its factorization.

19779014054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135472774.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 19779014054 in words is "nineteen billion, seven hundred seventy-nine million, fourteen thousand, fifty-four".