3781316442188 has 48 divisors (see below), whose sum is σ = 7191381872640. Its totient is φ = 1733105030400.

The previous prime is 3781316442173. The next prime is 3781316442209. The reversal of 3781316442188 is 8812446131873.

It is a super-2 number, since 2×3781316442188² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15672548 + ... + 15911988.

It is an arithmetic number, because the mean of its divisors is an integer number (149820455680).

Almost surely, 2^{3781316442188} is an apocalyptic number.

3781316442188 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3781316442188 is a deficient number, since it is larger than the sum of its proper divisors (3410065430452).

3781316442188 is a wasteful number, since it uses less digits than its factorization.

3781316442188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246198 (or 246196 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The spelling of 3781316442188 in words is "three trillion, seven hundred eighty-one billion, three hundred sixteen million, four hundred forty-two thousand, one hundred eighty-eight".