3545505405 has 32 divisors (see below), whose sum is σ = 6787979520. Its totient is φ = 1745478720.

The previous prime is 3545505401. The next prime is 3545505451. The reversal of 3545505405 is 5045055453.

3545505405 is a `hidden beast` number, since 3 + 54 + 550 + 54 + 0 + 5 = 666.

It is not a de Polignac number, because 3545505405 - 2² = 3545505401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3545505405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545505401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1008361 + ... + 1011870.

It is an arithmetic number, because the mean of its divisors is an integer number (212124360).

Almost surely, 2^3545505405 is an apocalyptic number.

It is an amenable number.

3545505405 is a deficient number, since it is larger than the sum of its proper divisors (3242474115).

3545505405 is a wasteful number, since it uses less digits than its factorization.

3545505405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020258 (or 2020252 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 3545505405 is about 59544.1466896621. The cubic root of 3545505405 is about 1524.8462308452.

The spelling of 3545505405 in words is "three billion, five hundred forty-five million, five hundred five thousand, four hundred five".