6695403144864 has 96 divisors (see below), whose sum is σ = 20086654887936. Its totient is φ = 1912929903360.

The previous prime is 6695403144863. The next prime is 6695403144887. The reversal of 6695403144864 is 4684413045966.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 6695403144798 and 6695403144807.

It is not an unprimeable number, because it can be changed into a prime (6695403144863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42342429 + ... + 42500259.

It is an arithmetic number, because the mean of its divisors is an integer number (209235988416).

Almost surely, 2^{6695403144864} is an apocalyptic number.

It is an amenable number.

6695403144864 is an abundant number, since it is smaller than the sum of its proper divisors (13391251743072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6695403144864 is a wasteful number, since it uses less digits than its factorization.

6695403144864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220978 (or 220970 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 60.

The spelling of 6695403144864 in words is "six trillion, six hundred ninety-five billion, four hundred three million, one hundred forty-four thousand, eight hundred sixty-four".