6729739794785 has 12 divisors (see below), whose sum is σ = 9394167387348. Its totient is φ = 4614678716256.

The previous prime is 6729739794731. The next prime is 6729739794821. The reversal of 6729739794785 is 5874979379276.

It can be written as a sum of positive squares in 2 ways, for example, as 1964530214689 + 4765209580096 = 1401617^2 + 2182936^2 .

It is not a de Polignac number, because 6729739794785 - 2⁶ = 6729739794721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13734162602 + ... + 13734163091.

It is an arithmetic number, because the mean of its divisors is an integer number (782847282279).

Almost surely, 2^{6729739794785} is an apocalyptic number.

It is an amenable number.

6729739794785 is a deficient number, since it is larger than the sum of its proper divisors (2664427592563).

6729739794785 is a wasteful number, since it uses less digits than its factorization.

6729739794785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27468325712 (or 27468325705 counting only the distinct ones).

The product of its digits is 10081895040, while the sum is 83.

The spelling of 6729739794785 in words is "six trillion, seven hundred twenty-nine billion, seven hundred thirty-nine million, seven hundred ninety-four thousand, seven hundred eighty-five".