35873649905 has 4 divisors (see below), whose sum is σ = 43048379892. Its totient is φ = 28698919920.

The previous prime is 35873649901. The next prime is 35873649923. The reversal of 35873649905 is 50994637853.

35873649905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8361456481 + 27512193424 = 91441^2 + 165868^2 .

It is not a de Polignac number, because 35873649905 - 2² = 35873649901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35873649901) 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, 3587364986 + ... + 3587364995.

It is an arithmetic number, because the mean of its divisors is an integer number (10762094973).

Almost surely, 2^35873649905 is an apocalyptic number.

It is an amenable number.

35873649905 is a deficient number, since it is larger than the sum of its proper divisors (7174729987).

35873649905 is an equidigital number, since it uses as much as digits as its factorization.

35873649905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174729986.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 35873649905 in words is "thirty-five billion, eight hundred seventy-three million, six hundred forty-nine thousand, nine hundred five".