618745812930 has 384 divisors, whose sum is σ = 1974338530560. Its totient is φ = 137412495360.

The previous prime is 618745812913. The next prime is 618745812983. The reversal of 618745812930 is 39218547816.

618745812930 is a `hidden beast` number, since 6 + 1 + 8 + 7 + 4 + 581 + 29 + 30 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 112068570 + ... + 112074090.

It is an arithmetic number, because the mean of its divisors is an integer number (5141506590).

It is a 3-persistent number, because k⋅618745812930 is pandigital for 1 ≤ k ≤ 3, but not for k = 4.

Almost surely, 2^618745812930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618745812930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987169265280).

618745812930 is an abundant number, since it is smaller than the sum of its proper divisors (1355592717630).

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

618745812930 is a wasteful number, since it uses less digits than its factorization.

618745812930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 618745812930 in words is "six hundred eighteen billion, seven hundred forty-five million, eight hundred twelve thousand, nine hundred thirty".