35142533021 has 4 divisors (see below), whose sum is σ = 35336690844. Its totient is φ = 34948375200.

The previous prime is 35142533003. The next prime is 35142533029. The reversal of 35142533021 is 12033524153.

It is a happy number.

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 11506852900 + 23635680121 = 107270^2 + 153739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35142533021 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 (35142533029) 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, 97078640 + ... + 97079001.

It is an arithmetic number, because the mean of its divisors is an integer number (8834172711).

Almost surely, 2^35142533021 is an apocalyptic number.

It is an amenable number.

35142533021 is a deficient number, since it is larger than the sum of its proper divisors (194157823).

35142533021 is a wasteful number, since it uses less digits than its factorization.

35142533021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194157822.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 35142533021 in words is "thirty-five billion, one hundred forty-two million, five hundred thirty-three thousand, twenty-one".