35395660021 has 8 divisors (see below), whose sum is σ = 36261860544. Its totient is φ = 34529597280.

The previous prime is 35395659947. The next prime is 35395660037. The reversal of 35395660021 is 12006659353.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35395660021 - 2³¹ = 33248176373 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 (35395660051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649786 + ... + 702148.

It is an arithmetic number, because the mean of its divisors is an integer number (4532732568).

Almost surely, 2^35395660021 is an apocalyptic number.

It is an amenable number.

35395660021 is a deficient number, since it is larger than the sum of its proper divisors (866200523).

35395660021 is a wasteful number, since it uses less digits than its factorization.

35395660021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68891.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 35395660021 in words is "thirty-five billion, three hundred ninety-five million, six hundred sixty thousand, twenty-one".