3811373213 has 4 divisors (see below), whose sum is σ = 3934320768. Its totient is φ = 3688425660.

The previous prime is 3811373201. The next prime is 3811373221. The reversal of 3811373213 is 3123731183.

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 a cyclic number.

It is not a de Polignac number, because 3811373213 - 2⁶ = 3811373149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3811373213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811375213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61473731 + ... + 61473792.

It is an arithmetic number, because the mean of its divisors is an integer number (983580192).

Almost surely, 2^3811373213 is an apocalyptic number.

It is an amenable number.

3811373213 is a deficient number, since it is larger than the sum of its proper divisors (122947555).

3811373213 is a wasteful number, since it uses less digits than its factorization.

3811373213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122947554.

The product of its digits is 9072, while the sum is 32.

The square root of 3811373213 is about 61736.3200474405. The cubic root of 3811373213 is about 1562.0460241275.

The spelling of 3811373213 in words is "three billion, eight hundred eleven million, three hundred seventy-three thousand, two hundred thirteen".