3918899712 has 480 divisors, whose sum is σ = 13685874048. Its totient is φ = 969965568.

The previous prime is 3918899681. The next prime is 3918899713. The reversal of 3918899712 is 2179988193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918899713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73941478 + ... + 73941530.

Almost surely, 2^3918899712 is an apocalyptic number.

3918899712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3918899712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6842937024).

3918899712 is an abundant number, since it is smaller than the sum of its proper divisors (9766974336).

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

3918899712 is a wasteful number, since it uses less digits than its factorization.

3918899712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 101 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 57.

The square root of 3918899712 is about 62601.1159005972. The cubic root of 3918899712 is about 1576.5994953606.

The spelling of 3918899712 in words is "three billion, nine hundred eighteen million, eight hundred ninety-nine thousand, seven hundred twelve".