3643521486 has 16 divisors (see below), whose sum is σ = 7949501568. Its totient is φ = 1104097400.

The previous prime is 3643521473. The next prime is 3643521503. The reversal of 3643521486 is 6841253463.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27602370 + ... + 27602501.

It is an arithmetic number, because the mean of its divisors is an integer number (496843848).

Almost surely, 2^3643521486 is an apocalyptic number.

3643521486 is an abundant number, since it is smaller than the sum of its proper divisors (4305980082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3643521486 is a wasteful number, since it uses less digits than its factorization.

3643521486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55204887.

The product of its digits is 414720, while the sum is 42.

The square root of 3643521486 is about 60361.5894919940. The cubic root of 3643521486 is about 1538.7702396392.

The spelling of 3643521486 in words is "three billion, six hundred forty-three million, five hundred twenty-one thousand, four hundred eighty-six".