3538882381 has 2 divisors, whose sum is σ = 3538882382. Its totient is φ = 3538882380.

The previous prime is 3538882351. The next prime is 3538882397. The reversal of 3538882381 is 1832888353.

It is a happy number.

3538882381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986128356 + 1552754025 = 44566^2 + 39405^2 .

It is a cyclic number.

It is not a de Polignac number, because 3538882381 - 2⁹ = 3538881869 is a prime.

It is a super-2 number, since 2×3538882381² = 25047377013104458322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3538882351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769441190 + 1769441191.

It is an arithmetic number, because the mean of its divisors is an integer number (1769441191).

Almost surely, 2^3538882381 is an apocalyptic number.

It is an amenable number.

3538882381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3538882381 is an equidigital number, since it uses as much as digits as its factorization.

3538882381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 49.

The square root of 3538882381 is about 59488.5062932328. The cubic root of 3538882381 is about 1523.8961652503.

The spelling of 3538882381 in words is "three billion, five hundred thirty-eight million, eight hundred eighty-two thousand, three hundred eighty-one".