6961657605607 has 4 divisors (see below), whose sum is σ = 6961752317056. Its totient is φ = 6961562894160.

The previous prime is 6961657605571. The next prime is 6961657605761. The reversal of 6961657605607 is 7065067561696.

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 6961657605607 - 2¹¹ = 6961657603559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961657695607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47245383 + ... + 47392504.

It is an arithmetic number, because the mean of its divisors is an integer number (1740438079264).

Almost surely, 2^{6961657605607} is an apocalyptic number.

6961657605607 is a deficient number, since it is larger than the sum of its proper divisors (94711449).

6961657605607 is an equidigital number, since it uses as much as digits as its factorization.

6961657605607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94711448.

The product of its (nonzero) digits is 85730400, while the sum is 64.

The spelling of 6961657605607 in words is "six trillion, nine hundred sixty-one billion, six hundred fifty-seven million, six hundred five thousand, six hundred seven".