34723658369 has 8 divisors (see below), whose sum is σ = 35204400360. Its totient is φ = 34243053696.

The previous prime is 34723658339. The next prime is 34723658407. The reversal of 34723658369 is 96385632743.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2210880400 + 32512777969 = 47020^2 + 180313^2 .

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 34723658369 - 2²⁸ = 34455222913 is a prime.

It is a super-2 number, since 2×34723658369² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34723658339) 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, 541139 + ... + 601895.

It is an arithmetic number, because the mean of its divisors is an integer number (4400550045).

Almost surely, 2^34723658369 is an apocalyptic number.

It is an amenable number.

34723658369 is a deficient number, since it is larger than the sum of its proper divisors (480741991).

34723658369 is an equidigital number, since it uses as much as digits as its factorization.

34723658369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68659.

The product of its digits is 19595520, while the sum is 56.

The spelling of 34723658369 in words is "thirty-four billion, seven hundred twenty-three million, six hundred fifty-eight thousand, three hundred sixty-nine".