3718530933138 has 640 divisors, whose sum is σ = 10553490984960. Its totient is φ = 957873807360.

The previous prime is 3718530933137. The next prime is 3718530933167. The reversal of 3718530933138 is 8313390358173.

3718530933138 is a `hidden beast` number, since 3 + 7 + 1 + 8 + 530 + 93 + 3 + 13 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3718530933137) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 16675026495 + ... + 16675026717.

It is an arithmetic number, because the mean of its divisors is an integer number (16489829664).

Almost surely, 2^{3718530933138} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3718530933138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5276745492480).

3718530933138 is an abundant number, since it is smaller than the sum of its proper divisors (6834960051822).

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

3718530933138 is a wasteful number, since it uses less digits than its factorization.

3718530933138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 3718530933138 in words is "three trillion, seven hundred eighteen billion, five hundred thirty million, nine hundred thirty-three thousand, one hundred thirty-eight".