6899412755 has 8 divisors (see below), whose sum is σ = 8503060272. Its totient is φ = 5370353568.

The previous prime is 6899412739. The next prime is 6899412769. The reversal of 6899412755 is 5572149986.

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 6899412755 - 2⁴ = 6899412739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6899412755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18646877 + ... + 18647246.

It is an arithmetic number, because the mean of its divisors is an integer number (1062882534).

Almost surely, 2^6899412755 is an apocalyptic number.

6899412755 is a deficient number, since it is larger than the sum of its proper divisors (1603647517).

6899412755 is a wasteful number, since it uses less digits than its factorization.

6899412755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37294165.

The product of its digits is 5443200, while the sum is 56.

The square root of 6899412755 is about 83062.7037544529. The cubic root of 6899412755 is about 1903.7242515293.

The spelling of 6899412755 in words is "six billion, eight hundred ninety-nine million, four hundred twelve thousand, seven hundred fifty-five".