696713661 has 24 divisors (see below), whose sum is σ = 1189793280. Its totient is φ = 384392736.

The previous prime is 696713653. The next prime is 696713683. The reversal of 696713661 is 166317696.

It is not a de Polignac number, because 696713661 - 2³ = 696713653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696713651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188845 + ... + 192498.

It is an arithmetic number, because the mean of its divisors is an integer number (49574720).

Almost surely, 2^696713661 is an apocalyptic number.

It is an amenable number.

696713661 is a deficient number, since it is larger than the sum of its proper divisors (493079619).

696713661 is a wasteful number, since it uses less digits than its factorization.

696713661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381385 (or 381382 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 696713661 is about 26395.3340763098. The cubic root of 696713661 is about 886.5123198996.

The spelling of 696713661 in words is "six hundred ninety-six million, seven hundred thirteen thousand, six hundred sixty-one".