6779799508419 has 40 divisors (see below), whose sum is σ = 11948061109248. Its totient is φ = 3749197875120.

The previous prime is 6779799508409. The next prime is 6779799508423. The reversal of 6779799508419 is 9148059979776.

6779799508419 is a `hidden beast` number, since 6 + 7 + 7 + 9 + 7 + 99 + 508 + 4 + 19 = 666.

It is not a de Polignac number, because 6779799508419 - 2¹² = 6779799504323 is a prime.

It is a super-2 number, since 2×6779799508419² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (6779799508409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 192842397 + ... + 192877550.

Almost surely, 2^{6779799508419} is an apocalyptic number.

6779799508419 is a deficient number, since it is larger than the sum of its proper divisors (5168261600829).

6779799508419 is a wasteful number, since it uses less digits than its factorization.

6779799508419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385719997 (or 385719988 counting only the distinct ones).

The product of its (nonzero) digits is 2160406080, while the sum is 81.

The spelling of 6779799508419 in words is "six trillion, seven hundred seventy-nine billion, seven hundred ninety-nine million, five hundred eight thousand, four hundred nineteen".