3523437643 has 32 divisors (see below), whose sum is σ = 4084577280. Its totient is φ = 3008079360.

The previous prime is 3523437613. The next prime is 3523437661. The reversal of 3523437643 is 3467343253.

It is not a de Polignac number, because 3523437643 - 2²¹ = 3521340491 is a prime.

It is a super-2 number, since 2×3523437643² = 24829225648218790898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3523437596 and 3523437605.

It is not an unprimeable number, because it can be changed into a prime (3523437613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3759871 + ... + 3760807.

It is an arithmetic number, because the mean of its divisors is an integer number (127643040).

Almost surely, 2^3523437643 is an apocalyptic number.

3523437643 is a deficient number, since it is larger than the sum of its proper divisors (561139637).

3523437643 is a wasteful number, since it uses less digits than its factorization.

3523437643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its digits is 544320, while the sum is 40.

The square root of 3523437643 is about 59358.5515574631. The cubic root of 3523437643 is about 1521.6760198894.

The spelling of 3523437643 in words is "three billion, five hundred twenty-three million, four hundred thirty-seven thousand, six hundred forty-three".