2381668730 has 32 divisors (see below), whose sum is σ = 4968449280. Its totient is φ = 805069440.

The previous prime is 2381668697. The next prime is 2381668769. The reversal of 2381668730 is 378661832.

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, 234635 + ... + 244574.

It is an arithmetic number, because the mean of its divisors is an integer number (155264040).

Almost surely, 2^2381668730 is an apocalyptic number.

2381668730 is an abundant number, since it is smaller than the sum of its proper divisors (2586780550).

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

2381668730 is a wasteful number, since it uses less digits than its factorization.

2381668730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479294.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2381668730 is about 48802.3434888121. The cubic root of 2381668730 is about 1335.4484187999.

The spelling of 2381668730 in words is "two billion, three hundred eighty-one million, six hundred sixty-eight thousand, seven hundred thirty".