3505494287 has 4 divisors (see below), whose sum is σ = 3522108216. Its totient is φ = 3488880360.

The previous prime is 3505494271. The next prime is 3505494341. The reversal of 3505494287 is 7824945053.

3505494287 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 an emirpimes, since its reverse is a distinct semiprime: 7824945053 = 2551 ⋅3067403.

It is a cyclic number.

It is not a de Polignac number, because 3505494287 - 2⁴ = 3505494271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505494257) 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, 8306648 + ... + 8307069.

It is an arithmetic number, because the mean of its divisors is an integer number (880527054).

Almost surely, 2^3505494287 is an apocalyptic number.

3505494287 is a deficient number, since it is larger than the sum of its proper divisors (16613929).

3505494287 is a wasteful number, since it uses less digits than its factorization.

3505494287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613928.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 3505494287 is about 59207.2148221819. The cubic root of 3505494287 is about 1519.0885415957.

The spelling of 3505494287 in words is "three billion, five hundred five million, four hundred ninety-four thousand, two hundred eighty-seven".