3813545257424 has 40 divisors (see below), whose sum is σ = 8445490817088. Its totient is φ = 1634141952000.

The previous prime is 3813545257409. The next prime is 3813545257427. The reversal of 3813545257424 is 4247525453183.

It is a happy number.

3813545257424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813545257427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658702 + ... + 3221549.

Almost surely, 2^{3813545257424} is an apocalyptic number.

It is an amenable number.

3813545257424 is an abundant number, since it is smaller than the sum of its proper divisors (4631945559664).

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

3813545257424 is a wasteful number, since it uses less digits than its factorization.

3813545257424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887243 (or 4887237 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 53.

The spelling of 3813545257424 in words is "three trillion, eight hundred thirteen billion, five hundred forty-five million, two hundred fifty-seven thousand, four hundred twenty-four".