968635601 has 4 divisors (see below), whose sum is σ = 968839092. Its totient is φ = 968432112.

The previous prime is 968635597. The next prime is 968635609. The reversal of 968635601 is 106536869.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 626200576 + 342435025 = 25024^2 + 18505^2 .

It is a cyclic number.

It is not a de Polignac number, because 968635601 - 2² = 968635597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (968635609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94430 + ... + 104183.

It is an arithmetic number, because the mean of its divisors is an integer number (242209773).

Almost surely, 2^968635601 is an apocalyptic number.

It is an amenable number.

968635601 is a deficient number, since it is larger than the sum of its proper divisors (203491).

968635601 is a wasteful number, since it uses less digits than its factorization.

968635601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203490.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 968635601 is about 31122.9111909538. The cubic root of 968635601 is about 989.4339521692.

The spelling of 968635601 in words is "nine hundred sixty-eight million, six hundred thirty-five thousand, six hundred one".