34663661645 has 4 divisors (see below), whose sum is σ = 41596393980. Its totient is φ = 27730929312.

The previous prime is 34663661611. The next prime is 34663661647. The reversal of 34663661645 is 54616636643.

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 21758020036 + 12905641609 = 147506^2 + 113603^2 .

It is a cyclic number.

It is not a de Polignac number, because 34663661645 - 2¹⁸ = 34663399501 is a prime.

It is a super-3 number, since 3×34663661645³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34663661593 and 34663661602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34663661647) 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, 3466366160 + ... + 3466366169.

It is an arithmetic number, because the mean of its divisors is an integer number (10399098495).

Almost surely, 2^34663661645 is an apocalyptic number.

It is an amenable number.

34663661645 is a deficient number, since it is larger than the sum of its proper divisors (6932732335).

34663661645 is an equidigital number, since it uses as much as digits as its factorization.

34663661645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932732334.

The product of its digits is 5598720, while the sum is 50.

The spelling of 34663661645 in words is "thirty-four billion, six hundred sixty-three million, six hundred sixty-one thousand, six hundred forty-five".