35305142021 has 16 divisors (see below), whose sum is σ = 35942946480. Its totient is φ = 34673295360.

The previous prime is 35305142017. The next prime is 35305142029. The reversal of 35305142021 is 12024150353.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9901245025 + 25403896996 = 99505^2 + 159386^2 .

It is a cyclic number.

It is not a de Polignac number, because 35305142021 - 2² = 35305142017 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 (35305142029) 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, 15131771 + ... + 15134103.

It is an arithmetic number, because the mean of its divisors is an integer number (2246434155).

Almost surely, 2^35305142021 is an apocalyptic number.

It is an amenable number.

35305142021 is a deficient number, since it is larger than the sum of its proper divisors (637804459).

35305142021 is a wasteful number, since it uses less digits than its factorization.

35305142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 35305142021 its reverse (12024150353), we get a palindrome (47329292374).

The spelling of 35305142021 in words is "thirty-five billion, three hundred five million, one hundred forty-two thousand, twenty-one".