3669291381 has 64 divisors (see below), whose sum is σ = 6180710400. Its totient is φ = 1888862976.

The previous prime is 3669291359. The next prime is 3669291391. The reversal of 3669291381 is 1831929663.

It is not a de Polignac number, because 3669291381 - 2⁵ = 3669291349 is a prime.

It is a super-2 number, since 2×3669291381² = 26927398477361774322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3669291381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669291391) 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 in 63 ways as a sum of consecutive naturals, for example, 772891 + ... + 777623.

It is an arithmetic number, because the mean of its divisors is an integer number (96573600).

Almost surely, 2^3669291381 is an apocalyptic number.

It is an amenable number.

3669291381 is a deficient number, since it is larger than the sum of its proper divisors (2511419019).

3669291381 is a wasteful number, since it uses less digits than its factorization.

3669291381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858.

The product of its digits is 419904, while the sum is 48.

The square root of 3669291381 is about 60574.6760701203. The cubic root of 3669291381 is about 1542.3895243657.

The spelling of 3669291381 in words is "three billion, six hundred sixty-nine million, two hundred ninety-one thousand, three hundred eighty-one".