3503785006625 has 16 divisors (see below), whose sum is σ = 4372945995600. Its totient is φ = 2802885500800.

The previous prime is 3503785006573. The next prime is 3503785006639. The reversal of 3503785006625 is 5266005873053.

It can be written as a sum of positive squares in 8 ways, for example, as 1102180823104 + 2401604183521 = 1049848^2 + 1549711^2 .

It is not a de Polignac number, because 3503785006625 - 2¹⁴ = 3503784990241 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791077 + ... + 3196173.

It is an arithmetic number, because the mean of its divisors is an integer number (273309124725).

Almost surely, 2^{3503785006625} is an apocalyptic number.

It is an amenable number.

3503785006625 is a deficient number, since it is larger than the sum of its proper divisors (869160988975).

3503785006625 is a wasteful number, since it uses less digits than its factorization.

3503785006625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425061 (or 1425051 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 3503785006625 in words is "three trillion, five hundred three billion, seven hundred eighty-five million, six thousand, six hundred twenty-five".