3888390133 has 2 divisors, whose sum is σ = 3888390134. Its totient is φ = 3888390132.

The previous prime is 3888390089. The next prime is 3888390139. The reversal of 3888390133 is 3310938883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2546413444 + 1341976689 = 50462^2 + 36633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3888390133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3888390139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944195066 + 1944195067.

It is an arithmetic number, because the mean of its divisors is an integer number (1944195067).

Almost surely, 2^3888390133 is an apocalyptic number.

It is an amenable number.

3888390133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3888390133 is an equidigital number, since it uses as much as digits as its factorization.

3888390133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 3888390133 is about 62356.9573744582. The cubic root of 3888390133 is about 1572.4974292983.

The spelling of 3888390133 in words is "three billion, eight hundred eighty-eight million, three hundred ninety thousand, one hundred thirty-three".