34509452545 has 4 divisors (see below), whose sum is σ = 41411343060. Its totient is φ = 27607562032.

The previous prime is 34509452539. The next prime is 34509452569. The reversal of 34509452545 is 54525490543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54525490543 = 83 ⋅656933621.

It can be written as a sum of positive squares in 2 ways, for example, as 3953014129 + 30556438416 = 62873^2 + 174804^2 .

It is a cyclic number.

It is not a de Polignac number, because 34509452545 - 2¹³ = 34509444353 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 34509452495 and 34509452504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450945250 + ... + 3450945259.

It is an arithmetic number, because the mean of its divisors is an integer number (10352835765).

Almost surely, 2^34509452545 is an apocalyptic number.

It is an amenable number.

34509452545 is a deficient number, since it is larger than the sum of its proper divisors (6901890515).

34509452545 is an equidigital number, since it uses as much as digits as its factorization.

34509452545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901890514.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 34509452545 in words is "thirty-four billion, five hundred nine million, four hundred fifty-two thousand, five hundred forty-five".