6734643655 has 8 divisors (see below), whose sum is σ = 8178941232. Its totient is φ = 5322802368.

The previous prime is 6734643637. The next prime is 6734643667. The reversal of 6734643655 is 5563464376.

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

It is a cyclic number.

It is not a de Polignac number, because 6734643655 - 2⁷ = 6734643527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6734643599 and 6734643608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8113614 + ... + 8114443.

It is an arithmetic number, because the mean of its divisors is an integer number (1022367654).

Almost surely, 2^6734643655 is an apocalyptic number.

6734643655 is a deficient number, since it is larger than the sum of its proper divisors (1444297577).

6734643655 is a wasteful number, since it uses less digits than its factorization.

6734643655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228145.

The product of its digits is 5443200, while the sum is 49.

The square root of 6734643655 is about 82064.8746724200. The cubic root of 6734643655 is about 1888.4473175796.

The spelling of 6734643655 in words is "six billion, seven hundred thirty-four million, six hundred forty-three thousand, six hundred fifty-five".