3465509881745 has 4 divisors (see below), whose sum is σ = 4158611858100. Its totient is φ = 2772407905392.

The previous prime is 3465509881733. The next prime is 3465509881751. The reversal of 3465509881745 is 5471889055643.

It is a Cunningham number, because it is equal to 1861588²+1.

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 1247581770304 + 2217928111441 = 1116952^2 + 1489271^2 .

It is a cyclic number.

It is not a de Polignac number, because 3465509881745 - 2³⁸ = 3190631974801 is a prime.

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, 346550988170 + ... + 346550988179.

It is an arithmetic number, because the mean of its divisors is an integer number (1039652964525).

Almost surely, 2^{3465509881745} is an apocalyptic number.

It is an amenable number.

3465509881745 is a deficient number, since it is larger than the sum of its proper divisors (693101976355).

3465509881745 is an equidigital number, since it uses as much as digits as its factorization.

3465509881745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693101976354.

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 3465509881745 in words is "three trillion, four hundred sixty-five billion, five hundred nine million, eight hundred eighty-one thousand, seven hundred forty-five".