394821300004 has 6 divisors (see below), whose sum is σ = 690937275014. Its totient is φ = 197410650000.

The previous prime is 394821299989. The next prime is 394821300011. The reversal of 394821300004 is 400003128493.

It can be written as a sum of positive squares in only one way, i.e., 346741967104 + 48079332900 = 588848^2 + 219270^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49352662497 + ... + 49352662504.

Almost surely, 2^394821300004 is an apocalyptic number.

It is an amenable number.

394821300004 is a deficient number, since it is larger than the sum of its proper divisors (296115975010).

394821300004 is a wasteful number, since it uses less digits than its factorization.

394821300004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98705325005 (or 98705325003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 394821300004 its reverse (400003128493), we get a palindrome (794824428497).

The spelling of 394821300004 in words is "three hundred ninety-four billion, eight hundred twenty-one million, three hundred thousand, four".