6744512651 has 4 divisors (see below), whose sum is σ = 6745065600. Its totient is φ = 6743959704.

The previous prime is 6744512647. The next prime is 6744512657. The reversal of 6744512651 is 1562154476.

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 6744512651 - 2² = 6744512647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6744512599 and 6744512608.

It is not an unprimeable number, because it can be changed into a prime (6744512657) 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, 257756 + ... + 282713.

It is an arithmetic number, because the mean of its divisors is an integer number (1686266400).

Almost surely, 2^6744512651 is an apocalyptic number.

6744512651 is a deficient number, since it is larger than the sum of its proper divisors (552949).

6744512651 is a wasteful number, since it uses less digits than its factorization.

6744512651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552948.

The product of its digits is 201600, while the sum is 41.

The square root of 6744512651 is about 82124.9818934531. The cubic root of 6744512651 is about 1889.3693155226.

The spelling of 6744512651 in words is "six billion, seven hundred forty-four million, five hundred twelve thousand, six hundred fifty-one".