35709995981 has 8 divisors (see below), whose sum is σ = 39096999264. Its totient is φ = 32346432720.

The previous prime is 35709995947. The next prime is 35709996011. The reversal of 35709995981 is 18959990753.

35709995981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 35709995981 - 2³⁰ = 34636254157 is a prime.

It is a super-2 number, since 2×35709995981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35709995921) 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, 5856815 + ... + 5862908.

It is an arithmetic number, because the mean of its divisors is an integer number (4887124908).

Almost surely, 2^35709995981 is an apocalyptic number.

It is an amenable number.

35709995981 is a deficient number, since it is larger than the sum of its proper divisors (3387003283).

35709995981 is a wasteful number, since it uses less digits than its factorization.

35709995981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720011.

The product of its (nonzero) digits is 27556200, while the sum is 65.

The spelling of 35709995981 in words is "thirty-five billion, seven hundred nine million, nine hundred ninety-five thousand, nine hundred eighty-one".