696661997305 has 16 divisors (see below), whose sum is σ = 873885542400. Its totient is φ = 532523983680.

The previous prime is 696661997303. The next prime is 696661997329. The reversal of 696661997305 is 503799166696.

696661997305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 696661997305 - 2¹ = 696661997303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696661997303) 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, 28434550 + ... + 28459039.

It is an arithmetic number, because the mean of its divisors is an integer number (54617846400).

Almost surely, 2^696661997305 is an apocalyptic number.

It is an amenable number.

696661997305 is a deficient number, since it is larger than the sum of its proper divisors (177223545095).

696661997305 is a wasteful number, since it uses less digits than its factorization.

696661997305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56893704.

The product of its (nonzero) digits is 99202320, while the sum is 67.

The spelling of 696661997305 in words is "six hundred ninety-six billion, six hundred sixty-one million, nine hundred ninety-seven thousand, three hundred five".