34365989813 has 4 divisors (see below), whose sum is σ = 34752124620. Its totient is φ = 33979855008.

The previous prime is 34365989803. The next prime is 34365989837. The reversal of 34365989813 is 31898956343.

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 4243610449 + 30122379364 = 65143^2 + 173558^2 .

It is a cyclic number.

It is not a de Polignac number, because 34365989813 - 2²² = 34361795509 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 (34365989803) 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, 193067270 + ... + 193067447.

It is an arithmetic number, because the mean of its divisors is an integer number (8688031155).

Almost surely, 2^34365989813 is an apocalyptic number.

It is an amenable number.

34365989813 is a deficient number, since it is larger than the sum of its proper divisors (386134807).

34365989813 is an equidigital number, since it uses as much as digits as its factorization.

34365989813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386134806.

The product of its digits is 16796160, while the sum is 59.

The spelling of 34365989813 in words is "thirty-four billion, three hundred sixty-five million, nine hundred eighty-nine thousand, eight hundred thirteen".