6779345708493 has 12 divisors (see below), whose sum is σ = 10057047387868. Its totient is φ = 4397413432320.

The previous prime is 6779345708479. The next prime is 6779345708507. The reversal of 6779345708493 is 3948075439776.

6779345708493 is a `hidden beast` number, since 6 + 7 + 7 + 9 + 3 + 4 + 570 + 8 + 49 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (6779345708479) and next prime (6779345708507).

It can be written as a sum of positive squares in 2 ways, for example, as 5435225461449 + 1344120247044 = 2331357^2 + 1159362^2 .

It is not a de Polignac number, because 6779345708493 - 2¹³ = 6779345700301 is a prime.

It is a super-2 number, since 2×6779345708493² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779345708453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10179197428 + ... + 10179198093.

Almost surely, 2^{6779345708493} is an apocalyptic number.

It is an amenable number.

6779345708493 is a deficient number, since it is larger than the sum of its proper divisors (3277701679375).

6779345708493 is a wasteful number, since it uses less digits than its factorization.

6779345708493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358395564 (or 20358395561 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 72.

The spelling of 6779345708493 in words is "six trillion, seven hundred seventy-nine billion, three hundred forty-five million, seven hundred eight thousand, four hundred ninety-three".