3996765133 has 2 divisors, whose sum is σ = 3996765134. Its totient is φ = 3996765132.

The previous prime is 3996765109. The next prime is 3996765169. The reversal of 3996765133 is 3315676993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3822577929 + 174187204 = 61827^2 + 13198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3996765133 - 2¹³ = 3996756941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3996765533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998382566 + 1998382567.

It is an arithmetic number, because the mean of its divisors is an integer number (1998382567).

Almost surely, 2^3996765133 is an apocalyptic number.

It is an amenable number.

3996765133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3996765133 is an equidigital number, since it uses as much as digits as its factorization.

3996765133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 52.

The square root of 3996765133 is about 63219.9741616524. The cubic root of 3996765133 is about 1586.9730172880.

It can be divided in two parts, 39967651 and 33, that added together give a square (39967684 = 6322²).

The spelling of 3996765133 in words is "three billion, nine hundred ninety-six million, seven hundred sixty-five thousand, one hundred thirty-three".