3818129268 has 48 divisors (see below), whose sum is σ = 9517867520. Its totient is φ = 1187724384.

The previous prime is 3818129267. The next prime is 3818129269. The reversal of 3818129268 is 8629218183.

It is an interprime number because it is at equal distance from previous prime (3818129267) and next prime (3818129269).

It is a super-3 number, since 3×3818129268³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818129261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109696 + ... + 140247.

Almost surely, 2^3818129268 is an apocalyptic number.

3818129268 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3818129268 is an abundant number, since it is smaller than the sum of its proper divisors (5699738252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3818129268 is a wasteful number, since it uses less digits than its factorization.

3818129268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250036 (or 250034 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 3818129268 is about 61791.0128416746. The cubic root of 3818129268 is about 1562.9684422698.

The spelling of 3818129268 in words is "three billion, eight hundred eighteen million, one hundred twenty-nine thousand, two hundred sixty-eight".