3813642023533 has 4 divisors (see below), whose sum is σ = 3813737473728. Its totient is φ = 3813546573340.

The previous prime is 3813642023509. The next prime is 3813642023557. The reversal of 3813642023533 is 3353202463183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3813642023509) and next prime (3813642023557).

It is a cyclic number.

It is not a de Polignac number, because 3813642023533 - 2³⁷ = 3676203070061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3813642023533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813642023593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47665141 + ... + 47745082.

It is an arithmetic number, because the mean of its divisors is an integer number (953434368432).

Almost surely, 2^{3813642023533} is an apocalyptic number.

It is an amenable number.

3813642023533 is a deficient number, since it is larger than the sum of its proper divisors (95450195).

3813642023533 is an equidigital number, since it uses as much as digits as its factorization.

3813642023533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95450194.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 3813642023533 in words is "three trillion, eight hundred thirteen billion, six hundred forty-two million, twenty-three thousand, five hundred thirty-three".