3531645005 has 32 divisors (see below), whose sum is σ = 4981927680. Its totient is φ = 2352637440.

The previous prime is 3531644999. The next prime is 3531645041. The reversal of 3531645005 is 5005461353.

It is not a de Polignac number, because 3531645005 - 2¹⁴ = 3531628621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045970 + ... + 1049340.

It is an arithmetic number, because the mean of its divisors is an integer number (155685240).

Almost surely, 2^3531645005 is an apocalyptic number.

3531645005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3531645005 is a deficient number, since it is larger than the sum of its proper divisors (1450282675).

3531645005 is a wasteful number, since it uses less digits than its factorization.

3531645005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 3531645005 is about 59427.6451241339. The cubic root of 3531645005 is about 1522.8566151530.

The spelling of 3531645005 in words is "three billion, five hundred thirty-one million, six hundred forty-five thousand, five".