3821491133 has 2 divisors, whose sum is σ = 3821491134. Its totient is φ = 3821491132.

The previous prime is 3821491129. The next prime is 3821491187. The reversal of 3821491133 is 3311941283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3339337369 + 482153764 = 57787^2 + 21958^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821491133 - 2² = 3821491129 is a prime.

It is a super-3 number, since 3×3821491133³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3821491093 and 3821491102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3821490133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910745566 + 1910745567.

It is an arithmetic number, because the mean of its divisors is an integer number (1910745567).

Almost surely, 2^3821491133 is an apocalyptic number.

It is an amenable number.

3821491133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821491133 is an equidigital number, since it uses as much as digits as its factorization.

3821491133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 3821491133 is about 61818.2103671726. The cubic root of 3821491133 is about 1563.4270392330.

The spelling of 3821491133 in words is "three billion, eight hundred twenty-one million, four hundred ninety-one thousand, one hundred thirty-three".