3503400645 has 16 divisors (see below), whose sum is σ = 5626760832. Its totient is φ = 1861373760.

The previous prime is 3503400631. The next prime is 3503400751. The reversal of 3503400645 is 5460043053.

It is not a de Polignac number, because 3503400645 - 2⁶ = 3503400581 is a prime.

It is a congruent 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, 440086 + ... + 447975.

It is an arithmetic number, because the mean of its divisors is an integer number (351672552).

Almost surely, 2^3503400645 is an apocalyptic number.

It is an amenable number.

3503400645 is a deficient number, since it is larger than the sum of its proper divisors (2123360187).

3503400645 is a wasteful number, since it uses less digits than its factorization.

3503400645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888332.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3503400645 is about 59189.5315490839. The cubic root of 3503400645 is about 1518.7860582474.

Adding to 3503400645 its reverse (5460043053), we get a palindrome (8963443698).

The spelling of 3503400645 in words is "three billion, five hundred three million, four hundred thousand, six hundred forty-five".