35643081385 has 4 divisors (see below), whose sum is σ = 42771697668. Its totient is φ = 28514465104.

The previous prime is 35643081379. The next prime is 35643081391. The reversal of 35643081385 is 58318034653.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (35643081379) and next prime (35643081391).

It can be written as a sum of positive squares in 2 ways, for example, as 8585134336 + 27057947049 = 92656^2 + 164493^2 .

It is a cyclic number.

It is not a de Polignac number, because 35643081385 - 2²⁹ = 35106210473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564308134 + ... + 3564308143.

It is an arithmetic number, because the mean of its divisors is an integer number (10692924417).

Almost surely, 2^35643081385 is an apocalyptic number.

It is an amenable number.

35643081385 is a deficient number, since it is larger than the sum of its proper divisors (7128616283).

35643081385 is an equidigital number, since it uses as much as digits as its factorization.

35643081385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128616282.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 35643081385 in words is "thirty-five billion, six hundred forty-three million, eighty-one thousand, three hundred eighty-five".