19797788179293 has 8 divisors (see below), whose sum is σ = 26398925619456. Its totient is φ = 13197588096000.

The previous prime is 19797788179259. The next prime is 19797788179313. The reversal of 19797788179293 is 39297188779791.

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

It is not a de Polignac number, because 19797788179293 - 2¹⁰ = 19797788178269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19797788179223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234289933 + ... + 234374418.

It is an arithmetic number, because the mean of its divisors is an integer number (3299865702432).

Almost surely, 2^{19797788179293} is an apocalyptic number.

It is an amenable number.

19797788179293 is a deficient number, since it is larger than the sum of its proper divisors (6601137440163).

19797788179293 is a wasteful number, since it uses less digits than its factorization.

19797788179293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468678435.

The product of its digits is 6049137024, while the sum is 87.

The spelling of 19797788179293 in words is "nineteen trillion, seven hundred ninety-seven billion, seven hundred eighty-eight million, one hundred seventy-nine thousand, two hundred ninety-three".