6913909651 has 16 divisors (see below), whose sum is σ = 7823039328. Its totient is φ = 6054912000.

The previous prime is 6913909649. The next prime is 6913909657. The reversal of 6913909651 is 1569093196.

6913909651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6913909651 - 2¹ = 6913909649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6913909595 and 6913909604.

It is not an unprimeable number, because it can be changed into a prime (6913909657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42990 + ... + 125203.

It is an arithmetic number, because the mean of its divisors is an integer number (488939958).

Almost surely, 2^6913909651 is an apocalyptic number.

6913909651 is a deficient number, since it is larger than the sum of its proper divisors (909129677).

6913909651 is a wasteful number, since it uses less digits than its factorization.

6913909651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168342.

The product of its (nonzero) digits is 393660, while the sum is 49.

The square root of 6913909651 is about 83149.9227359833. The cubic root of 6913909651 is about 1905.0566734081.

The spelling of 6913909651 in words is "six billion, nine hundred thirteen million, nine hundred nine thousand, six hundred fifty-one".