3503445645 has 16 divisors (see below), whose sum is σ = 6406300800. Its totient is φ = 1601575104.

The previous prime is 3503445641. The next prime is 3503445653. The reversal of 3503445645 is 5465443053.

It is not a de Polignac number, because 3503445645 - 2² = 3503445641 is a prime.

It is a super-3 number, since 3×3503445645³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3503445641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16682970 + ... + 16683179.

It is an arithmetic number, because the mean of its divisors is an integer number (400393800).

Almost surely, 2^3503445645 is an apocalyptic number.

3503445645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3503445645 is a deficient number, since it is larger than the sum of its proper divisors (2902855155).

3503445645 is a wasteful number, since it uses less digits than its factorization.

3503445645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33366164.

The product of its (nonzero) digits is 432000, while the sum is 39.

The square root of 3503445645 is about 59189.9116826508. The cubic root of 3503445645 is about 1518.7925609844.

Adding to 3503445645 its reverse (5465443053), we get a palindrome (8968888698).

The spelling of 3503445645 in words is "three billion, five hundred three million, four hundred forty-five thousand, six hundred forty-five".