3812920128833 has 2 divisors, whose sum is σ = 3812920128834. Its totient is φ = 3812920128832.

The previous prime is 3812920128767. The next prime is 3812920128917. The reversal of 3812920128833 is 3388210292183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3687429191824 + 125490937009 = 1920268^2 + 354247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3812920128833 is a prime.

It is a super-2 number, since 2×3812920128833² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3812920128133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906460064416 + 1906460064417.

It is an arithmetic number, because the mean of its divisors is an integer number (1906460064417).

Almost surely, 2^{3812920128833} is an apocalyptic number.

It is an amenable number.

3812920128833 is a deficient number, since it is larger than the sum of its proper divisors (1).

3812920128833 is an equidigital number, since it uses as much as digits as its factorization.

3812920128833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 3812920128833 in words is "three trillion, eight hundred twelve billion, nine hundred twenty million, one hundred twenty-eight thousand, eight hundred thirty-three".