3808369381 has 2 divisors, whose sum is σ = 3808369382. Its totient is φ = 3808369380.

The previous prime is 3808369373. The next prime is 3808369451. The reversal of 3808369381 is 1839638083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2255300100 + 1553069281 = 47490^2 + 39409^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808369381 - 2³ = 3808369373 is a prime.

It is a super-2 number, since 2×3808369381² = 29007354684276646322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3808369351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904184690 + 1904184691.

It is an arithmetic number, because the mean of its divisors is an integer number (1904184691).

Almost surely, 2^3808369381 is an apocalyptic number.

It is an amenable number.

3808369381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808369381 is an equidigital number, since it uses as much as digits as its factorization.

3808369381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 3808369381 is about 61711.9873363352. The cubic root of 3808369381 is about 1561.6355546573.

The spelling of 3808369381 in words is "three billion, eight hundred eight million, three hundred sixty-nine thousand, three hundred eighty-one".