6906340655499 has 8 divisors (see below), whose sum is σ = 9208507083840. Its totient is φ = 4604200665416.

The previous prime is 6906340655491. The next prime is 6906340655507. The reversal of 6906340655499 is 9945560436096.

It is an interprime number because it is at equal distance from previous prime (6906340655491) and next prime (6906340655507).

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 6906340655499 - 2³ = 6906340655491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6906340655491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991789 + ... + 7050830.

It is an arithmetic number, because the mean of its divisors is an integer number (1151063385480).

Almost surely, 2^{6906340655499} is an apocalyptic number.

6906340655499 is a deficient number, since it is larger than the sum of its proper divisors (2302166428341).

6906340655499 is a wasteful number, since it uses less digits than its factorization.

6906340655499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219129.

The product of its (nonzero) digits is 188956800, while the sum is 66.

The spelling of 6906340655499 in words is "six trillion, nine hundred six billion, three hundred forty million, six hundred fifty-five thousand, four hundred ninety-nine".