3505305613 has 4 divisors (see below), whose sum is σ = 3506220640. Its totient is φ = 3504390588.

The previous prime is 3505305607. The next prime is 3505305623. The reversal of 3505305613 is 3165035053.

It is a happy number.

3505305613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3165035053 = 31151 ⋅101603.

It is a cyclic number.

It is not a de Polignac number, because 3505305613 - 2¹³ = 3505297421 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 (3505305623) 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, 451743 + ... + 459436.

It is an arithmetic number, because the mean of its divisors is an integer number (876555160).

Almost surely, 2^3505305613 is an apocalyptic number.

It is an amenable number.

3505305613 is a deficient number, since it is larger than the sum of its proper divisors (915027).

3505305613 is an equidigital number, since it uses as much as digits as its factorization.

3505305613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915026.

The product of its (nonzero) digits is 20250, while the sum is 31.

The square root of 3505305613 is about 59205.6214645197. The cubic root of 3505305613 is about 1519.0612874597.

The spelling of 3505305613 in words is "three billion, five hundred five million, three hundred five thousand, six hundred thirteen".