394616725001 has 2 divisors, whose sum is σ = 394616725002. Its totient is φ = 394616725000.

The previous prime is 394616724961. The next prime is 394616725039. The reversal of 394616725001 is 100527616493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347275668601 + 47341056400 = 589301^2 + 217580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394616725001 is a prime.

It is not a weakly prime, because it can be changed into another prime (394616721001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197308362500 + 197308362501.

It is an arithmetic number, because the mean of its divisors is an integer number (197308362501).

Almost surely, 2^394616725001 is an apocalyptic number.

It is an amenable number.

394616725001 is a deficient number, since it is larger than the sum of its proper divisors (1).

394616725001 is an equidigital number, since it uses as much as digits as its factorization.

394616725001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 394616725001 in words is "three hundred ninety-four billion, six hundred sixteen million, seven hundred twenty-five thousand, one".