6786457651 has 4 divisors (see below), whose sum is σ = 6791651352. Its totient is φ = 6781263952.

The previous prime is 6786457627. The next prime is 6786457669. The reversal of 6786457651 is 1567546876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6786457651 - 2²³ = 6778069043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6786457592 and 6786457601.

It is not an unprimeable number, because it can be changed into a prime (6786557651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594890 + ... + 2597503.

It is an arithmetic number, because the mean of its divisors is an integer number (1697912838).

Almost surely, 2^6786457651 is an apocalyptic number.

6786457651 is a deficient number, since it is larger than the sum of its proper divisors (5193701).

6786457651 is a wasteful number, since it uses less digits than its factorization.

6786457651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193700.

The product of its digits is 8467200, while the sum is 55.

The square root of 6786457651 is about 82379.9590373775. The cubic root of 6786457651 is about 1893.2779682538.

The spelling of 6786457651 in words is "six billion, seven hundred eighty-six million, four hundred fifty-seven thousand, six hundred fifty-one".